context stringlengths 545 71.9k | questionsrc stringlengths 16 10.2k | question stringlengths 11 563 |
|---|---|---|
what does buoyant force mean ? have you ever dropped your swimming goggles in the deepest part of the pool and tried to swim down to get them ? it can be frustrating because the water tries to push you back up to the surface as you 're swimming downward . the name of this upward force exerted on objects submerged in fl... | since the spherical cow balloon is not accelerating , the forces must be balanced ( i.e . no net force ) . so we can start with a statement that the magnitudes of the total upward and downward forces are equal . | since the force at the bottom of an object is greater than the force at the top ? |
what does buoyant force mean ? have you ever dropped your swimming goggles in the deepest part of the pool and tried to swim down to get them ? it can be frustrating because the water tries to push you back up to the surface as you 're swimming downward . the name of this upward force exerted on objects submerged in fl... | what does buoyant force mean ? have you ever dropped your swimming goggles in the deepest part of the pool and tried to swim down to get them ? | in the explanation above at 4th paragraph of what does buoyant force mean ? |
what does buoyant force mean ? have you ever dropped your swimming goggles in the deepest part of the pool and tried to swim down to get them ? it can be frustrating because the water tries to push you back up to the surface as you 're swimming downward . the name of this upward force exerted on objects submerged in fl... | say someone dropped a can of beans in a pool of water . because pressure $ ( p_ { gauge } =\rho gh ) $ increases as you go deeper in a fluid , the force from pressure exerted downward on the top of the can of beans will be less than the force from pressure exerted upward on the bottom of the can . essentially it 's tha... | but how can a component of pressure points in any direction as it is a scalar quantity ? |
what does buoyant force mean ? have you ever dropped your swimming goggles in the deepest part of the pool and tried to swim down to get them ? it can be frustrating because the water tries to push you back up to the surface as you 're swimming downward . the name of this upward force exerted on objects submerged in fl... | by displaced water we mean the volume of water that was once in the volume of space now occupied by the can . so we are definitely going to replace the term $ ah $ with a volume $ v $ , but should we write this volume as volume of the can or volume of the displaced fluid ? this is important because the two volumes coul... | why did you use in example 3 the volume of the balloon not the volume of the air as you mentioned in the formula of buoyant force we use the volume of fluid not the object ? |
what does buoyant force mean ? have you ever dropped your swimming goggles in the deepest part of the pool and tried to swim down to get them ? it can be frustrating because the water tries to push you back up to the surface as you 're swimming downward . the name of this upward force exerted on objects submerged in fl... | what does buoyant force mean ? have you ever dropped your swimming goggles in the deepest part of the pool and tried to swim down to get them ? | how do i calculate the buoyant force of a ping pong ball in a volume of water ? |
what does buoyant force mean ? have you ever dropped your swimming goggles in the deepest part of the pool and tried to swim down to get them ? it can be frustrating because the water tries to push you back up to the surface as you 're swimming downward . the name of this upward force exerted on objects submerged in fl... | many people , when asked to state archimedes ' principle , usually give a look of confused exasperation before launching into a wandering discussion about people jumping naked out of bathtubs . so , make sure you understand archimedes ' principle well enough to state it clearly : `` every object is buoyed upwards by a ... | if a body floats by being totally immersed condition on the upper surface of the liquid then how will be the buoyancy and weight of the object ? |
what does buoyant force mean ? have you ever dropped your swimming goggles in the deepest part of the pool and tried to swim down to get them ? it can be frustrating because the water tries to push you back up to the surface as you 're swimming downward . the name of this upward force exerted on objects submerged in fl... | many people , when asked to state archimedes ' principle , usually give a look of confused exasperation before launching into a wandering discussion about people jumping naked out of bathtubs . so , make sure you understand archimedes ' principle well enough to state it clearly : `` every object is buoyed upwards by a ... | what will happen to an object if the weight of the object and buoyancy is equal ? |
what does buoyant force mean ? have you ever dropped your swimming goggles in the deepest part of the pool and tried to swim down to get them ? it can be frustrating because the water tries to push you back up to the surface as you 're swimming downward . the name of this upward force exerted on objects submerged in fl... | many people , when asked to state archimedes ' principle , usually give a look of confused exasperation before launching into a wandering discussion about people jumping naked out of bathtubs . so , make sure you understand archimedes ' principle well enough to state it clearly : `` every object is buoyed upwards by a ... | under which conditions buoancy and weight of the object will be equal ? |
what does buoyant force mean ? have you ever dropped your swimming goggles in the deepest part of the pool and tried to swim down to get them ? it can be frustrating because the water tries to push you back up to the surface as you 're swimming downward . the name of this upward force exerted on objects submerged in fl... | it 's just that for sinking objects , their weight is greater than the buoyant force . if their weight was less than their buoyant force they would float . it turns out that it 's possible to prove that if the density of a fully submerged object ( regardless of its shape ) is greater than the density of the fluid it 's... | i am a little bit confused here , in solving the second example , it is mentioned that if the weight of the object is `` equal '' to the buoyant force then it would float , while in the above readings and explanations , it says the same sentence but not `` equal '' but rather `` less '' any insights ? |
what does buoyant force mean ? have you ever dropped your swimming goggles in the deepest part of the pool and tried to swim down to get them ? it can be frustrating because the water tries to push you back up to the surface as you 're swimming downward . the name of this upward force exerted on objects submerged in fl... | what does buoyant force mean ? have you ever dropped your swimming goggles in the deepest part of the pool and tried to swim down to get them ? | why is the acceleration of the buoyant force the acceleration of gravity ? |
what does buoyant force mean ? have you ever dropped your swimming goggles in the deepest part of the pool and tried to swim down to get them ? it can be frustrating because the water tries to push you back up to the surface as you 're swimming downward . the name of this upward force exerted on objects submerged in fl... | say someone dropped a can of beans in a pool of water . because pressure $ ( p_ { gauge } =\rho gh ) $ increases as you go deeper in a fluid , the force from pressure exerted downward on the top of the can of beans will be less than the force from pressure exerted upward on the bottom of the can . essentially it 's tha... | what if we took a cone , now pressure on the tip would be negligible , and as we move done its steep sides , depth increases and so does the pressure , so net pressure downwards also increases , so can we say that in a way if we take some optimum slope of the sides then we can somehow comparatively increase the net pre... |
what does buoyant force mean ? have you ever dropped your swimming goggles in the deepest part of the pool and tried to swim down to get them ? it can be frustrating because the water tries to push you back up to the surface as you 're swimming downward . the name of this upward force exerted on objects submerged in fl... | sometimes people think the buoyant force increases as an object is brought to deeper and deeper depths in a fluid . but the buoyant force does not depend on depth . it only depends on volume of the displaced fluid $ v_f $ , density of the fluid $ \rho $ , and the acceleration due to gravity $ g $ . | if the upward force does n't depend on pressure/depth , what 's happening when you take a balloon in a pool and hold in under and release ? |
what does buoyant force mean ? have you ever dropped your swimming goggles in the deepest part of the pool and tried to swim down to get them ? it can be frustrating because the water tries to push you back up to the surface as you 're swimming downward . the name of this upward force exerted on objects submerged in fl... | the diameter of the balloon is $ 3.50\text { m } $ . the density of the air is $ 1.23 \dfrac { \text { kg } } { \text { m } ^3 } $ . what is the tension in the rope ? | in the 3rd question : should n't we use the density of helium in calculations as opposed to density of air ? |
what does buoyant force mean ? have you ever dropped your swimming goggles in the deepest part of the pool and tried to swim down to get them ? it can be frustrating because the water tries to push you back up to the surface as you 're swimming downward . the name of this upward force exerted on objects submerged in fl... | we can find the total upward force on the can exerted by water pressure ( which we call the buoyant force $ f_ { buoyant } $ ) by simply taking the difference between the magnitudes of the upward force $ f_ { up } $ and downward force $ f_ { down } $ . $ f_ { buoyant } =f_ { up } - f_ { down } $ we can relate these for... | in the above context p ( gauge ) = p ( total ) - p ( atmosphere ) ? |
what does buoyant force mean ? have you ever dropped your swimming goggles in the deepest part of the pool and tried to swim down to get them ? it can be frustrating because the water tries to push you back up to the surface as you 're swimming downward . the name of this upward force exerted on objects submerged in fl... | how can an object sink if it has an upward force on it ? well , there is definitely an upward buoyant force on every submerged object , even those that sink . it 's just that for sinking objects , their weight is greater than the buoyant force . if their weight was less than their buoyant force they would float . it tu... | i learned that buoyant force is equal to the weight of the displaced water , and if the weight of the object is greater than the buoyant force , it will sink , and vice versa , is that correct ? |
what does buoyant force mean ? have you ever dropped your swimming goggles in the deepest part of the pool and tried to swim down to get them ? it can be frustrating because the water tries to push you back up to the surface as you 're swimming downward . the name of this upward force exerted on objects submerged in fl... | convert diameter to radius ! ) } $ $ f_t = 180 \text { n } \qquad \text { ( calculate , and celebrate ) } $ | # 3 of examples , the force of tension is 180 n. that means 180 n is the maximum force to make a rope tight ? |
what does buoyant force mean ? have you ever dropped your swimming goggles in the deepest part of the pool and tried to swim down to get them ? it can be frustrating because the water tries to push you back up to the surface as you 're swimming downward . the name of this upward force exerted on objects submerged in fl... | this one is a little harder so we should first draw a free body diagram ( i.e . force diagram ) for the balloon . there are lots of numbers here too so we could include our known variables in our diagram so that we can see them visually . | if the force of tension is greater , the balloon is going down ? |
what does buoyant force mean ? have you ever dropped your swimming goggles in the deepest part of the pool and tried to swim down to get them ? it can be frustrating because the water tries to push you back up to the surface as you 're swimming downward . the name of this upward force exerted on objects submerged in fl... | the density of the air is $ 1.23 \dfrac { \text { kg } } { \text { m } ^3 } $ . what is the tension in the rope ? this one is a little harder so we should first draw a free body diagram ( i.e . | in opposite , if the force of tension is smaller , the rope is more likely to get cut ? |
what does buoyant force mean ? have you ever dropped your swimming goggles in the deepest part of the pool and tried to swim down to get them ? it can be frustrating because the water tries to push you back up to the surface as you 're swimming downward . the name of this upward force exerted on objects submerged in fl... | sometimes people forget that the density $ \rho $ in the formula for buoyant force $ f_b=\rho v_ { f } g $ is referring to the density of the displaced fluid , not the density of the submerged object . people often forget that the volume in the buoyancy formula refers to the volume of the displaced fluid ( or submerged... | why floatation of any object depends upon the density and volume of object and not on volume and density of liquid ? |
what does buoyant force mean ? have you ever dropped your swimming goggles in the deepest part of the pool and tried to swim down to get them ? it can be frustrating because the water tries to push you back up to the surface as you 're swimming downward . the name of this upward force exerted on objects submerged in fl... | it turns out that it 's possible to prove that if the density of a fully submerged object ( regardless of its shape ) is greater than the density of the fluid it 's placed in , the object will sink . what is archimedes ' principle ? the way you will normally see the buoyant force formula written is with the $ g $ and t... | what is archimedes ' principle ? |
what does buoyant force mean ? have you ever dropped your swimming goggles in the deepest part of the pool and tried to swim down to get them ? it can be frustrating because the water tries to push you back up to the surface as you 're swimming downward . the name of this upward force exerted on objects submerged in fl... | the name of this upward force exerted on objects submerged in fluids is called the buoyant force . so why do fluids exert an upward buoyant force on submerged objects ? it has to do with differences in pressure between the bottom of the submerged object and the top . | yes , you told that thinking of shapes and buoyant forces but , what if there is a circle that is submerged in obleck ? |
what does buoyant force mean ? have you ever dropped your swimming goggles in the deepest part of the pool and tried to swim down to get them ? it can be frustrating because the water tries to push you back up to the surface as you 're swimming downward . the name of this upward force exerted on objects submerged in fl... | the simplicity and power of this idea is striking . if you want to know the buoyant force on an object , you only need to determine the weight of the fluid displaced by the object . the fact that simple and beautiful ( yet not obvious ) ideas like this result from a logical progression of basic physics principles is pa... | if an object sinks in a fluid and it is at the lowest point at the bottom , what is the buoyant force acting on the object ? |
what does buoyant force mean ? have you ever dropped your swimming goggles in the deepest part of the pool and tried to swim down to get them ? it can be frustrating because the water tries to push you back up to the surface as you 're swimming downward . the name of this upward force exerted on objects submerged in fl... | it turns out that it 's possible to prove that if the density of a fully submerged object ( regardless of its shape ) is greater than the density of the fluid it 's placed in , the object will sink . what is archimedes ' principle ? the way you will normally see the buoyant force formula written is with the $ g $ and t... | is there a way to measure density of an object using the archimedes upthurst principle ? |
what does buoyant force mean ? have you ever dropped your swimming goggles in the deepest part of the pool and tried to swim down to get them ? it can be frustrating because the water tries to push you back up to the surface as you 're swimming downward . the name of this upward force exerted on objects submerged in fl... | the reason there 's a buoyant force is because of the rather unavoidable fact that the bottom ( i.e . more submerged part ) of an object is always deeper in a fluid than the top of the object . this means the upward force from water has to be greater than the downward force from water . | assuming you knew the density of the fluid it was submerged in and the weight of the object in both air and when submerged ? |
overview after the death of muhammad , arab leaders were called caliphs . caliphs built and established baghdad as the hub of the abbasid caliphate . baghdad was centrally located between europe and asia and was an important area for trade and exchanges of ideas . scholars living in baghdad translated greek texts and m... | their goal was to translate as many of these famous works as possible in order to have a comprehensive library of knowledge and to preserve the philosophies and scholarship of greece . the abbasids aimed to have philosophy , science , and medicine texts translated . in addition to arab muslim scholars , syrian christia... | why did islamic science decline ? |
overview after the death of muhammad , arab leaders were called caliphs . caliphs built and established baghdad as the hub of the abbasid caliphate . baghdad was centrally located between europe and asia and was an important area for trade and exchanges of ideas . scholars living in baghdad translated greek texts and m... | people in baghdad made and exported silk , glass , tiles , and paper . the central location and lively trade culture of the city made a lively exchange of ideas possible as well . baghdad attracted many people , including scholars , to live within its borders . | is possible that some references arrived to his time ? |
dangerous art all art is political in the sense that all art takes place in the public arena and engages with an already existing ideology . yet there are times when art becomes dangerously political for both the artist and the viewers who engage with that art . think of jacques-louis david 's involvement in the french... | heartfield risked his life at times to produce covers for the magazine a/z , which defied both hitler and the nazi party . ai weiwei the chinese artist , ai weiwei , offers is an important contemporary example . in 2011 , weiwei was arrested in china following a crack down by the government on so-called “ political dis... | ai wei wei was released from prison eventually though , correct ? |
dangerous art all art is political in the sense that all art takes place in the public arena and engages with an already existing ideology . yet there are times when art becomes dangerously political for both the artist and the viewers who engage with that art . think of jacques-louis david 's involvement in the french... | dangerous art all art is political in the sense that all art takes place in the public arena and engages with an already existing ideology . yet there are times when art becomes dangerously political for both the artist and the viewers who engage with that art . | what do the symbols mean ? |
in this lesson , we will prove three logarithm properties : the product rule , the quotient rule , and the power rule . before we begin , let 's recall a useful fact that will help us along the way . $ \large\log_b ( b^c ) =c $ in other words , a logarithm in base $ b $ reverses the effect of a base $ b $ power ! keep ... | substituting these values into $ \log_b ( mn ) $ , we see : $ \begin { align } \log_2 ( { 4\cdot 8 } ) & amp ; =\log_2 ( 2^2\cdot 2^3 ) & amp ; & amp ; \small { \gray { 2^2=4\text { and } 2^3=8 } } \ \ & amp ; =\log_2 ( 2^ { 2+3 } ) & amp ; & amp ; \small { \gray { \text { $ a^m\cdot a^n=a^ { m+n } $ } } } \ \ & amp ; ... | how can we prove the log property which is used fr calculators ? |
in this lesson , we will prove three logarithm properties : the product rule , the quotient rule , and the power rule . before we begin , let 's recall a useful fact that will help us along the way . $ \large\log_b ( b^c ) =c $ in other words , a logarithm in base $ b $ reverses the effect of a base $ b $ power ! keep ... | in this lesson , we will prove three logarithm properties : the product rule , the quotient rule , and the power rule . before we begin , let 's recall a useful fact that will help us along the way . $ \large\log_b ( b^c ) =c $ in other words , a logarithm in base $ b $ reverses the effect of a base $ b $ power ! | why is it useful to prove these properties ? |
in this lesson , we will prove three logarithm properties : the product rule , the quotient rule , and the power rule . before we begin , let 's recall a useful fact that will help us along the way . $ \large\log_b ( b^c ) =c $ in other words , a logarithm in base $ b $ reverses the effect of a base $ b $ power ! keep ... | now we have : $ \begin { align } \log_b ( mn ) & amp ; =\log_b ( b^x\cdot b^y ) & amp ; & amp ; \small { \gray { \text { substitution } } } \ \ & amp ; =\log_b ( b^ { x+y } ) & amp ; & amp ; \small { \gray { \text { properties of exponents } } } \ \ & amp ; =x+y & amp ; & amp ; \small { \gray { \text { $ \log_b ( b^c )... | a^m * b^n = a^ ( m+n ) is it allowed to state the equation above , without explicitly mentioning a=2 ? |
in this lesson , we will prove three logarithm properties : the product rule , the quotient rule , and the power rule . before we begin , let 's recall a useful fact that will help us along the way . $ \large\log_b ( b^c ) =c $ in other words , a logarithm in base $ b $ reverses the effect of a base $ b $ power ! keep ... | in this lesson , we will prove three logarithm properties : the product rule , the quotient rule , and the power rule . before we begin , let 's recall a useful fact that will help us along the way . | how can you prove the power rule using the power rule ? |
in this lesson , we will prove three logarithm properties : the product rule , the quotient rule , and the power rule . before we begin , let 's recall a useful fact that will help us along the way . $ \large\log_b ( b^c ) =c $ in other words , a logarithm in base $ b $ reverses the effect of a base $ b $ power ! keep ... | in this lesson , we will prove three logarithm properties : the product rule , the quotient rule , and the power rule . before we begin , let 's recall a useful fact that will help us along the way . $ \large\log_b ( b^c ) =c $ in other words , a logarithm in base $ b $ reverses the effect of a base $ b $ power ! keep ... | if we state that `` a logarithm is another way of thinking about an exponent '' , could we also state that `` a radical is another way of thinking about a base '' ? |
in this lesson , we will prove three logarithm properties : the product rule , the quotient rule , and the power rule . before we begin , let 's recall a useful fact that will help us along the way . $ \large\log_b ( b^c ) =c $ in other words , a logarithm in base $ b $ reverses the effect of a base $ b $ power ! keep ... | $ \begin { align } \log_b ( m^p ) & amp ; =\log_b ( m\cdot m\cdot ... \cdot m ) & amp ; & amp ; \small { \gray { \text { definition of exponents } } } \ \ & amp ; = \log_b ( m ) +\log_b ( m ) + ... +\log_b ( m ) & amp ; & amp ; \small { \gray { \text { product rule } } } \\ & amp ; = p\cdot \log_b ( m ) & amp ; & amp ;... | who started the idea of logarithm ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | one limitation , however , is that electron microscopy samples must be placed under vacuum in electron microscopy ( and typically are prepared via an extensive fixation process ) . this means that live cells can not be imaged . in the image above , you can compare how salmonella bacteria look in a light micrograph ( le... | how can human cells be magnified ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | microscopes and lenses although cells vary in size , they ’ re generally quite small . for instance , the diameter of a typical human red blood cell is about eight micrometers ( 0.008 millimeters ) . to give you some context , the head of a pin of is about one millimeter in diameter , so about 125 red blood cells could... | can an egg be considered as a single cell ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | electrons have much a shorter wavelength than visible light , and this allows electron microscopes to produce higher-resolution images than standard light microscopes . electron microscopes can be used to examine not just whole cells , but also the subcellular structures and compartments within them . one limitation , ... | why electron microscopy ca n't image the picture of live cells ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | from the definition above , it might sound like a microscope is just a kind of magnifying glass . in fact , magnifying glasses do qualify as microscopes ; since they have just one lens , they are called simple microscopes . the fancier instruments that we typically think of as microscopes are compound microscopes , mea... | why is an objective lens called that ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | why is wave length the limiting factor ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | two parameters are especially important in microscopy : magnification and resolution . magnification is a measure of how much larger a microscope ( or set of lenses within a microscope ) causes an object to appear . for instance , the light microscopes typically used in high schools and colleges magnify up to about 400... | how much can the most powerful electron microscope magnify ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | electrons have much a shorter wavelength than visible light , and this allows electron microscopes to produce higher-resolution images than standard light microscopes . electron microscopes can be used to examine not just whole cells , but also the subcellular structures and compartments within them . one limitation , ... | when was the electron microscope invented ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | let ’ s not limit it to plants , either : exquisite layers of cells can be found in your skin , in an insect ’ s wing , and in just about any other living tissue you choose to look at . we , and the world around us , are cathedrals made of cells . we just need some microscopy to appreciate it . | which is the world 's smallest cell ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with their favorite cell type through the lens of a beautiful microscope . that may seem odd , but the truth is , cells can be pretty gorgeous , like living stained glass . one of my favorite examples ... | how do you study living cells ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | one limitation , however , is that electron microscopy samples must be placed under vacuum in electron microscopy ( and typically are prepared via an extensive fixation process ) . this means that live cells can not be imaged . in the image above , you can compare how salmonella bacteria look in a light micrograph ( le... | why cant live cells be magnified ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | different types of microscopes differ in their magnification and resolution . light microscopes most student microscopes are classified as light microscopes . in a light microscope , visible light passes through the specimen ( the biological sample you are looking at ) and is bent through the lens system , allowing the... | what is meant by the statement `` compound light microscope is limited by the nature of energy it uses i.e light '' ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | this type of microscopy was used to take the image of the salmonella bacteria shown at right , above . in transmission electron microscopy ( tem ) , in contrast , the sample is cut into extremely thin slices ( for instance , using a diamond cutting edge ) before imaging , and the electron beam passes through the slice ... | in tem , the sample is cut into slices ... .how can such small a thing be cut ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | different types of microscopes differ in their magnification and resolution . light microscopes most student microscopes are classified as light microscopes . in a light microscope , visible light passes through the specimen ( the biological sample you are looking at ) and is bent through the lens system , allowing the... | what are the physical properties of light ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | for example , if a microscope has high magnification but low resolution , all you ’ ll get is a bigger version of a blurry image . different types of microscopes differ in their magnification and resolution . light microscopes most student microscopes are classified as light microscopes . in a light microscope , visibl... | and how many different kinds of light are there ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | a confocal microscope uses a laser to excite a thin layer of the sample and collects only the emitted light coming from the target layer , producing a sharp image without interference from fluorescent molecules in the surrounding layers $ ^ { 4 } $ . electron microscopes some cutting-edge types of light microscopy ( be... | why is the resolution in the electron microscope so superior ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | however , if you want to see something very tiny at very high resolution , you may want to use a different , tried-and-true technique : electron microscopy . electron microscopes differ from light microscopes in that they produce an image of a specimen by using a beam of electrons rather than a beam of light . electron... | how can electrons be sent as a beam ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | different types of microscopes differ in their magnification and resolution . light microscopes most student microscopes are classified as light microscopes . in a light microscope , visible light passes through the specimen ( the biological sample you are looking at ) and is bent through the lens system , allowing the... | how do microscopes use light to produce a better image ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | for example , if a microscope has high magnification but low resolution , all you ’ ll get is a bigger version of a blurry image . different types of microscopes differ in their magnification and resolution . light microscopes most student microscopes are classified as light microscopes . in a light microscope , visibl... | how do microscopes differ in their functions and capabilities in appreciating minute life forms ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | one limitation , however , is that electron microscopy samples must be placed under vacuum in electron microscopy ( and typically are prepared via an extensive fixation process ) . this means that live cells can not be imaged . in the image above , you can compare how salmonella bacteria look in a light micrograph ( le... | why is it so that live cells can not be imaged under an electron microscope ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with their favorite cell type through the lens of a beautiful microscope . that may seem odd , but the truth is , cells can be pretty gorgeous , like living stained glass . one of my favorite examples ... | what do brain cells look like ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | microscopes and lenses although cells vary in size , they ’ re generally quite small . for instance , the diameter of a typical human red blood cell is about eight micrometers ( 0.008 millimeters ) . to give you some context , the head of a pin of is about one millimeter in diameter , so about 125 red blood cells could... | what is the smallest cell in the human body ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | in a light microscope , visible light passes through the specimen ( the biological sample you are looking at ) and is bent through the lens system , allowing the user to see a magnified image . a benefit of light microscopy is that it can often be performed on living cells , so it ’ s possible to watch cells carrying o... | can living human cells be observed under microscope ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | two parameters are especially important in microscopy : magnification and resolution . magnification is a measure of how much larger a microscope ( or set of lenses within a microscope ) causes an object to appear . for instance , the light microscopes typically used in high schools and colleges magnify up to about 400... | what is the difference between light microscope and compound microscope ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | microscopes and lenses although cells vary in size , they ’ re generally quite small . for instance , the diameter of a typical human red blood cell is about eight micrometers ( 0.008 millimeters ) . to give you some context , the head of a pin of is about one millimeter in diameter , so about 125 red blood cells could... | how does the human cell die if or when you smoke ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | what is the advantage of having the mirror oriented in any direction ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | this means that live cells can not be imaged . in the image above , you can compare how salmonella bacteria look in a light micrograph ( left ) versus an image taken with an electron microscope ( right ) . the bacteria show up as tiny purple dots in the light microscope image , whereas in the electron micrograph , you ... | what is the smallest thing that the electron microscope can see ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | a confocal microscope uses a laser to excite a thin layer of the sample and collects only the emitted light coming from the target layer , producing a sharp image without interference from fluorescent molecules in the surrounding layers $ ^ { 4 } $ . electron microscopes some cutting-edge types of light microscopy ( be... | how many electrons can a electron microscope shoot at a time ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | this means that live cells can not be imaged . in the image above , you can compare how salmonella bacteria look in a light micrograph ( left ) versus an image taken with an electron microscope ( right ) . the bacteria show up as tiny purple dots in the light microscope image , whereas in the electron micrograph , you ... | why does we use the electron microscope to see the virus cell instead of light microscope ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | two parameters are especially important in microscopy : magnification and resolution . magnification is a measure of how much larger a microscope ( or set of lenses within a microscope ) causes an object to appear . for instance , the light microscopes typically used in high schools and colleges magnify up to about 400... | what are the incredients that create a microscope ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | microscopes and lenses although cells vary in size , they ’ re generally quite small . for instance , the diameter of a typical human red blood cell is about eight micrometers ( 0.008 millimeters ) . to give you some context , the head of a pin of is about one millimeter in diameter , so about 125 red blood cells could... | how long does a cell stay alive for outside of its organism ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | for example , if a microscope has high magnification but low resolution , all you ’ ll get is a bigger version of a blurry image . different types of microscopes differ in their magnification and resolution . light microscopes most student microscopes are classified as light microscopes . | do different cells have different life expectancy once they are on a slide ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | this means that live cells can not be imaged . in the image above , you can compare how salmonella bacteria look in a light micrograph ( left ) versus an image taken with an electron microscope ( right ) . the bacteria show up as tiny purple dots in the light microscope image , whereas in the electron micrograph , you ... | why does cell have to be dead to look into the electron microscope ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | two parameters are especially important in microscopy : magnification and resolution . magnification is a measure of how much larger a microscope ( or set of lenses within a microscope ) causes an object to appear . for instance , the light microscopes typically used in high schools and colleges magnify up to about 400... | can a microscope be a simple microscope , or is that just for magnifying glasses ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | this type of microscopy was used to take the image of the salmonella bacteria shown at right , above . in transmission electron microscopy ( tem ) , in contrast , the sample is cut into extremely thin slices ( for instance , using a diamond cutting edge ) before imaging , and the electron beam passes through the slice ... | what are the differences between a scanning and transmission electron microscope ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | one limitation , however , is that electron microscopy samples must be placed under vacuum in electron microscopy ( and typically are prepared via an extensive fixation process ) . this means that live cells can not be imaged . in the image above , you can compare how salmonella bacteria look in a light micrograph ( le... | how can human cells be magnified ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | one limitation , however , is that electron microscopy samples must be placed under vacuum in electron microscopy ( and typically are prepared via an extensive fixation process ) . this means that live cells can not be imaged . in the image above , you can compare how salmonella bacteria look in a light micrograph ( le... | when your cells divide do they regrow after they divide ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | one limitation , however , is that electron microscopy samples must be placed under vacuum in electron microscopy ( and typically are prepared via an extensive fixation process ) . this means that live cells can not be imaged . in the image above , you can compare how salmonella bacteria look in a light micrograph ( le... | why do cells die as soon as you put them in a vacuum ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | this means that live cells can not be imaged . in the image above , you can compare how salmonella bacteria look in a light micrograph ( left ) versus an image taken with an electron microscope ( right ) . the bacteria show up as tiny purple dots in the light microscope image , whereas in the electron micrograph , you ... | why black and white image is formed in electron microscope ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | electron microscopes differ from light microscopes in that they produce an image of a specimen by using a beam of electrons rather than a beam of light . electrons have much a shorter wavelength than visible light , and this allows electron microscopes to produce higher-resolution images than standard light microscopes... | why is resolution the half of the wavelength ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | in transmission electron microscopy ( tem ) , in contrast , the sample is cut into extremely thin slices ( for instance , using a diamond cutting edge ) before imaging , and the electron beam passes through the slice rather than skimming over its surface $ ^5 $ . tem is often used to obtain detailed images of the inter... | why is it that we can break down viruses , diseases , and bacteria into their molecular structures , but we ca n't create cures by reverse engineering them ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | in transmission electron microscopy ( tem ) , in contrast , the sample is cut into extremely thin slices ( for instance , using a diamond cutting edge ) before imaging , and the electron beam passes through the slice rather than skimming over its surface $ ^5 $ . tem is often used to obtain detailed images of the inter... | why is it that we can break down viruses , diseases , and bacteria into their molecular structures , but we ca n't create cures by reverse engineering them ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | electrons have much a shorter wavelength than visible light , and this allows electron microscopes to produce higher-resolution images than standard light microscopes . electron microscopes can be used to examine not just whole cells , but also the subcellular structures and compartments within them . one limitation , ... | how does the electron reflect the 3d shape of the specimen ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | electrons have much a shorter wavelength than visible light , and this allows electron microscopes to produce higher-resolution images than standard light microscopes . electron microscopes can be used to examine not just whole cells , but also the subcellular structures and compartments within them . one limitation , ... | can we observe molecules in an electron microscope ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | electrons have much a shorter wavelength than visible light , and this allows electron microscopes to produce higher-resolution images than standard light microscopes . electron microscopes can be used to examine not just whole cells , but also the subcellular structures and compartments within them . one limitation , ... | if using the electron microscopy requires you to use extensive fixation process , how can you examine cells under a microscope in real time ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with their favorite cell type through the lens of a beautiful microscope . that may seem odd , but the truth is , cells can be pretty gorgeous , like living stained glass . one of my favorite examples ... | what is carrie met zinger north over and is this in your cells and in sick bodies and does it help on bodies apart our bodies to different things and others cells or our people and did pholidphids formed phospholibid bilayers in our bodies and is it very dangerous and deadly like hiv and the t-cell ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | a microscope is an instrument that magnifies objects otherwise too small to be seen , producing an image in which the object appears larger . most photographs of cells are taken using a microscope , and these pictures can also be called micrographs . from the definition above , it might sound like a microscope is just ... | are there cells that cant be magnified by any kind of microscope ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | microscopes and lenses although cells vary in size , they ’ re generally quite small . for instance , the diameter of a typical human red blood cell is about eight micrometers ( 0.008 millimeters ) . to give you some context , the head of a pin of is about one millimeter in diameter , so about 125 red blood cells could... | is there any way that we can preserve a cell for later studying ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | two parameters are especially important in microscopy : magnification and resolution . magnification is a measure of how much larger a microscope ( or set of lenses within a microscope ) causes an object to appear . for instance , the light microscopes typically used in high schools and colleges magnify up to about 400... | how can we be sure that a structure within a cell seen in microscope is real ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | one of my favorite examples of this is the picture below , which shows cells in a very young leaf of thale cress , a small flowering plant related to mustard . this picture isn ’ t a plain light micrograph ; it ’ s a fluorescent image of a specially prepared plant where various parts of the cell were labeled with tags ... | how do we know that a part of a cell can do this or other parts of the cell can do that ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | for example , if a microscope has high magnification but low resolution , all you ’ ll get is a bigger version of a blurry image . different types of microscopes differ in their magnification and resolution . light microscopes most student microscopes are classified as light microscopes . | why are there different types of cells ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | electron microscopes differ from light microscopes in that they produce an image of a specimen by using a beam of electrons rather than a beam of light . electrons have much a shorter wavelength than visible light , and this allows electron microscopes to produce higher-resolution images than standard light microscopes... | why the smaller the wavelength , the higher the resolution ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | what separates a basic microscope from a powerful machine used in a research lab ? two parameters are especially important in microscopy : magnification and resolution . magnification is a measure of how much larger a microscope ( or set of lenses within a microscope ) causes an object to appear . for instance , the li... | how can microscope machining quality and physical property of light affect the resolution of microscope ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | a confocal microscope uses a laser to excite a thin layer of the sample and collects only the emitted light coming from the target layer , producing a sharp image without interference from fluorescent molecules in the surrounding layers $ ^ { 4 } $ . electron microscopes some cutting-edge types of light microscopy ( be... | what is allowed the acquisition ( or , more typically , reconstruction ) of images whose resolution exceeds the diffraction barrier mean ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | in fact , magnifying glasses do qualify as microscopes ; since they have just one lens , they are called simple microscopes . the fancier instruments that we typically think of as microscopes are compound microscopes , meaning that they have multiple lenses . because of the way these lenses are arranged , they can bend... | what is the meaning of acquisition and reconstruction ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | what separates a basic microscope from a powerful machine used in a research lab ? two parameters are especially important in microscopy : magnification and resolution . magnification is a measure of how much larger a microscope ( or set of lenses within a microscope ) causes an object to appear . for instance , the li... | what is resolution and magnification power of a light microscope and an electron microscope ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | electron microscopes can be used to examine not just whole cells , but also the subcellular structures and compartments within them . one limitation , however , is that electron microscopy samples must be placed under vacuum in electron microscopy ( and typically are prepared via an extensive fixation process ) . this ... | if a cell died when kept in a vacuum , how can one study the daily behaviors of cells or tissues using electron microscopy ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | this means that live cells can not be imaged . in the image above , you can compare how salmonella bacteria look in a light micrograph ( left ) versus an image taken with an electron microscope ( right ) . the bacteria show up as tiny purple dots in the light microscope image , whereas in the electron micrograph , you ... | which cell organelles can be seen in an electron microscope but not a light microscope ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | what are the formulas for field of view ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | different types of microscopes differ in their magnification and resolution . light microscopes most student microscopes are classified as light microscopes . in a light microscope , visible light passes through the specimen ( the biological sample you are looking at ) and is bent through the lens system , allowing the... | why do electron microscopes require a vacuum to operate ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | slightly more sophisticated forms of light microscopy use optical tricks to enhance contrast , making details of cells and tissues easier to see . another type of light microscopy is fluorescence microscopy , which is used to image samples that fluoresce ( absorb one wavelength of light and emit another ) . light of on... | if we use fluorescence to make images of things should n't there be a way to measure the fluorescence of a material and be able to identify it based on the amount of light it re emits and at what frequency ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | what does nucleolus in a nucleus do ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | one limitation , however , is that electron microscopy samples must be placed under vacuum in electron microscopy ( and typically are prepared via an extensive fixation process ) . this means that live cells can not be imaged . in the image above , you can compare how salmonella bacteria look in a light micrograph ( le... | how fast do cells grow ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | two parameters are especially important in microscopy : magnification and resolution . magnification is a measure of how much larger a microscope ( or set of lenses within a microscope ) causes an object to appear . for instance , the light microscopes typically used in high schools and colleges magnify up to about 400... | has anyone tried to create a holographic microscope ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | microscopes and lenses although cells vary in size , they ’ re generally quite small . for instance , the diameter of a typical human red blood cell is about eight micrometers ( 0.008 millimeters ) . to give you some context , the head of a pin of is about one millimeter in diameter , so about 125 red blood cells could... | what does a cell biologist do ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | different types of microscopes differ in their magnification and resolution . light microscopes most student microscopes are classified as light microscopes . in a light microscope , visible light passes through the specimen ( the biological sample you are looking at ) and is bent through the lens system , allowing the... | how do scientists make microscopes or are the microscopes made by scientists ? |
introduction if you meet some cell biologists and get them talking about what they enjoy most in their work , you may find it comes down to one thing : secretly , they ’ re all microscope freaks . at the end of the day , what they really love is the chance to sit in a small , dark room for hours on end , communing with... | electron microscopes can be used to examine not just whole cells , but also the subcellular structures and compartments within them . one limitation , however , is that electron microscopy samples must be placed under vacuum in electron microscopy ( and typically are prepared via an extensive fixation process ) . this ... | what are the benefits of polarized microscopy ? |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.