text large_stringlengths 148 17k | id large_stringlengths 47 47 | score float64 2.69 5.31 | tokens int64 36 7.79k | format large_stringclasses 13
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Science Fair Project Encyclopedia
Gilbert N. Lewis
His family moved to Lincoln, Nebraska when he was 9. He was homeschooled until age 9. He went to public school from age 9 to 14 and then he went to the University of Nebraska, and three years later transferred to the Harvard University where he showed an interest in ec... | <urn:uuid:d12b4004-dc26-44a9-9bd4-1694fa753456> | 3.765625 | 674 | Knowledge Article | Science & Tech. | 46.404644 |
Securing Virtual Private Networks (VPN), Page 2
Asymmetric Encryption, or public key encryption, depends on a pair of keys called public key and private key; hence the name. The keys are selected such that, if data is encrypted through key 1, it can be only decrypted through key 2 and vice versa. Of the two keys, we te... | <urn:uuid:d54a77d8-14d9-44f5-a59c-c1e8e5622021> | 3.59375 | 923 | Documentation | Software Dev. | 38.205978 |
The National Weather Service map for Nov. 2, 2012 showed two areas of low pressure over eastern Canada, near Quebec.
That's where the remnants of Sandy are located and the storm's massive cloud cover continues to linger over a large area. That low pressure area is associated with Sandy's remnants.
A visible image from ... | <urn:uuid:b39cb64e-7bee-4377-a0cc-43a476f4409c> | 3.078125 | 849 | Content Listing | Science & Tech. | 57.870693 |
Overview of energetic particle hazards during prospective manned missions to Mars
McKenna-Lawlor, Susan and Gonçalves, P. and Keating, A. and Reitz, G. and Matthiä, D. (2011) Overview of energetic particle hazards during prospective manned missions to Mars. Planetary and Space Science, 63-64, pp. 123-132. Elsevier. DOI... | <urn:uuid:0a877dc3-b90c-418c-9954-e24b1f183af1> | 3.046875 | 675 | Academic Writing | Science & Tech. | 37.943032 |
Forests.org News Archive
Non-profit forests news links and archive of materials no longer on web provided on these terms to help find solutions and for posterity
Disclaimer & Conditions for Use
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* @EcoInternet has long campaigned
Report: Large-scale forest biomass energy not sustainable
Large-scale pro... | <urn:uuid:e4bc34e9-7dd5-425c-ab46-a34b301afbd3> | 2.875 | 311 | Content Listing | Science & Tech. | 23.634599 |
The height of a hill (in feet) is given by , where is the distance north, is the distance east of South Hadley.
(a) Where is the top of the hill located.
So . Then what? Set it equal to ?
(b) How high is this hill?
This is the magnitude of ?
(c) How steep is the slope (in feet per mile) at a point mile north and one mi... | <urn:uuid:b23bafd4-eb66-4068-bcb2-d4c802aaaf2c> | 3.09375 | 120 | Q&A Forum | Science & Tech. | 87.536331 |
Ghosts of Tsunamis Past
Brian Atwater is one of those people whose surname coincidentally fits his or her line of work. As a geologist for the U.S. Geological Survey, he studies earthquakes and tsunamis of the past few thousand years. Doing this often requires him to get wet along shorelines, tidal marshes, and river d... | <urn:uuid:12d6fc47-6059-44c4-90b8-23653f52264f> | 4.0625 | 1,426 | Nonfiction Writing | Science & Tech. | 45.24313 |
to fling the limbs and body, as in making efforts to move; to struggle, as a horse in the mire, or as a fish on land; to roll, toss, and tumble; to flounce. They have floundered on from blunder to blunder. (Sir W. Hamilton)
The common english flounder is Pleuronectes flesus. There are several common American species us... | <urn:uuid:41b37b93-259d-452c-b9c6-329940d1f86f> | 2.90625 | 235 | Truncated | Science & Tech. | 62.860011 |
The pattern of seasonal temperature odds across northern Australia is a result
of recent warm conditions in the Indian Ocean and an increasing level
of warmth in the Pacific. The Pacific has had the greater influence on this
The chance that the average July-September maximum temperature will exceed the
long-term median... | <urn:uuid:226c2a80-cea6-4141-bb97-480f6be82080> | 2.9375 | 306 | Knowledge Article | Science & Tech. | 32.504394 |
I want to implement FIFO (First in First out) approach in Java. The requirement is as following, 1)I receive string data in chunks after some time interval. 2)I want to write it in FIFO buffer having a fixed size i.e. only fixed number of data can be stored(say 5). 3)Then I will pick one by one from the buffer for furt... | <urn:uuid:be760671-eec4-4870-bedd-f7e99f637db6> | 2.78125 | 319 | Comment Section | Software Dev. | 70.415686 |
docs.oracle.com wrote: public void print(String s)
Print a string. If the argument is null then the string "null" is printed. Otherwise, the string's characters are converted into bytes according to the platform's default character encoding, and these bytes are written in exactly the manner of the write(int) method.
s ... | <urn:uuid:e3612000-55c5-4f93-b37f-4bf79a94f10d> | 3.296875 | 161 | Q&A Forum | Software Dev. | 68.375 |
I was using while (true) to control some code that was supposed to run for a designated amount of time. I noticed the processor load spike by 40-60%. As there was no input to slow down execution, it was tearing through the code in the while loop and repeating as quickly as possible. Looked up a way to slow it down and ... | <urn:uuid:980c4646-a150-4ea3-b60f-b4a043ec8f94> | 3.28125 | 289 | Q&A Forum | Software Dev. | 60.486204 |
Review of existing Red Fox, Feral Cat, Feral Rabbit, Feral Pig and Feral Goat control in Australia. II. Information Gaps
Ben Reddiex, David M. Forsyth.
Department of the Environment and Heritage, 2004
7. Results and Discussion (continued)
The first stage of this review (Reddiex et al. 2004) showed that there was little... | <urn:uuid:91f1eae6-af79-4b5f-9f18-83cd8ead5425> | 3.09375 | 3,040 | Academic Writing | Science & Tech. | 35.27796 |
Systems of Three Variables Systems of Three Variables
Systems of Three Variables
⇐ Use this menu to view and help create subtitles for this video in many different languages. You'll probably want to hide YouTube's captions if using these subtitles.
- Solve this system. And here we have three equations with three unknow... | <urn:uuid:8f5362d3-5680-431d-90cf-abf2dd7153f4> | 3.53125 | 2,224 | Truncated | Science & Tech. | 68.932723 |
void *dlopen(const char *file, int mode);
The dlopen() function shall make an executable object file specified by file available to the calling program. The class of files eligible for this operation and the manner of their construction are implementation-defined, though typically such files are executable objects such... | <urn:uuid:ebe02864-3691-4a1d-abf8-3a23d74e1974> | 2.796875 | 1,236 | Documentation | Software Dev. | 26.429557 |
Assessing the ecological importance of clouds has substantial implications for our basic understanding of ecosystems and for predicting how they will respond to a changing climate. This study was conducted in a coastal Bishop pine forest ecosystem that experiences regular cycles of stratus cloud cover and inundation in... | <urn:uuid:1620e373-382e-443f-9934-f72fad9f2c14> | 3.140625 | 211 | Knowledge Article | Science & Tech. | 34.676667 |
Apr. 9, 2008 The Texas Petawatt laser reached greater than one petawatt of laser power on Monday morning, March 31, making it the highest powered laser in the world, Todd Ditmire, a physicist at The University of Texas at Austin, said. The Texas Petawatt is the only operating petawatt laser in the United States.
Ditmir... | <urn:uuid:05a839af-caa8-4e4e-8582-d01fd6d44523> | 3.40625 | 399 | Truncated | Science & Tech. | 43.220242 |
To move a tile into the empty space, click on the tile to be moved. If you think you need a hint to see how the map should look, click here.
Florida is the state where the most lightning flashes strike the ground. However, the number of injuries and deaths caused by lightning do not always occur in the same place. For ... | <urn:uuid:657c2196-7e85-4061-b8c3-cda01e2de3b9> | 2.921875 | 170 | Knowledge Article | Science & Tech. | 64.6025 |
The fuel in all the 3 Units is thought to have at least partially melted down despite pumping sea water and boric acid into the Units
The crisis at the three Fukushima Daiichi nuclear power stations did not come from buildings collapsing due to the March 11 earthquake of magnitude 9 but from power failure following the... | <urn:uuid:6f1b2417-0b03-45dc-b3bf-922974d30ccf> | 3.5625 | 1,446 | Knowledge Article | Science & Tech. | 53.516006 |
The molar volume is equal to the atomic weight divided by the density.
The molar volume is also known as the atomic volume.
The standard SI units are m3. Normally, however, molar volume is expressed in units of cm3. To convert quoted values to m3, divide by 1000000.
The molar volume depends upon density, phase, allotro... | <urn:uuid:f34e32d2-f025-42ac-9515-722ab00612c7> | 3.40625 | 132 | Knowledge Article | Science & Tech. | 47.667883 |
11.28.12 - Forecasters could soon be better able to predict how intense tropical cyclones like Hurricane Sandy will be by analyzing relative-humidity levels within their large-scale environments, finds a new NASA-led study.
05.03.12 - With 2,378 spectral eyes measuring our atmosphere, the Atmospheric Infrared Sounder c... | <urn:uuid:7ef8caf9-558e-4e71-af6e-85753041430b> | 2.90625 | 295 | Content Listing | Science & Tech. | 61.17606 |
Northern Crayfish Frog
The northern crayfish frog grows to a length of nearly four inches. It has dark round spots surrounded by light borders on its chin, and the back is noticeably humped. This somewhat stubby frog lives in the southern half of Illinois and is closely associated with the hardpan clay soils south of t... | <urn:uuid:7ee60440-f04d-4d64-bb07-9679d69a6b08> | 2.859375 | 149 | Knowledge Article | Science & Tech. | 60.439231 |
[Location: Location_Category='CONTINENT', Location_Type='ANTARCTICA', Detailed_Location='SOUTH VICTORIA LAND']
New Zealand International Transantarctic Scientific Expedition (NZ ITASE) - Climate variability measured from ice cores taken along the Victoria Land CoastEntry ID: K049_1999_2008_NZ_1
Click to see members of ... | <urn:uuid:fd2e1696-bfd5-4b5c-8110-d54a6b6aaf1e> | 2.984375 | 1,783 | Content Listing | Science & Tech. | 31.927909 |
The State of Earth’s Terrestrial Biosphere: How is it Responding to Rising Atmospheric CO2 and Warmer Temperatures?
One of the potential consequences of the historical and ongoing rise in the air’s CO2 content is global warming, which phenomenon has further been postulated to produce all sorts of other undesirable cons... | <urn:uuid:0c72590a-5319-4677-b2ce-d06b87305194> | 3.71875 | 311 | Academic Writing | Science & Tech. | 25.01062 |
History---Cause---Effects on Different Parts of the World---Case Studies of South East Asia Countries
Cause of El Nino
The Southern Oscillation
This natural marvel, El Nino, could be related to a shift in the air movement over the tropical Pacific Ocean. Changes in wind direction cause the alteration in circulation and... | <urn:uuid:296b9ba8-8dac-4383-88a4-6b4153b44ae0> | 3.578125 | 193 | Knowledge Article | Science & Tech. | 25.887308 |
See also the
Browse High School Functions
Stars indicate particularly interesting answers or
good places to begin browsing.
Selected answers to common questions:
Composition of functions.
Domain and range.
Inverse of a function.
- All About Functions [11/06/1996]
Could you please explain functions?
- Defining 'Undefine... | <urn:uuid:18fc8150-175c-488f-963d-c24d85ed509a> | 3.875 | 1,778 | Q&A Forum | Science & Tech. | 77.647692 |
Hi. can someone please get me started on answering this question.
Elizabeth started with 30 tubs of yeast. At the end of each day, she used a small quantity of yeast to make two additional tubs of yeast, from each tub of yeast that she had. She then sold 50 tubs of yeast.This routine was repeated each day.
A: give the ... | <urn:uuid:2f03fed1-c284-4a45-aeba-7196e477b4f6> | 3.46875 | 148 | Q&A Forum | Science & Tech. | 80.044964 |
The Sun - in the prime of its life.
Source: SOHO (ESA & NASA)
Average Distance from the Earth: 149.6 million km (1.0 AU)
Size (Equatorial Diameter):
1 392 000 km (109 x that of Earth)
1.989 x 1030 kg (333 000 x that of Earth)
27.28 days (Synodic Period)
25.38 days (Sidereal Period)
5 500°C (surface)
15 000 000°C (core)... | <urn:uuid:15d5a86a-26ab-4e19-9269-91ca68be98ee> | 3.8125 | 661 | Knowledge Article | Science & Tech. | 70.488974 |
Follow instructions to fold sheets of A4 paper into pentagons and assemble them to form a dodecahedron. Calculate the error in the angle of the not perfectly regular pentagons you make.
Her walk needs to start and end at the same place, and she needs
to be able to see every part of the planet's surface at some stage
du... | <urn:uuid:6ec97f55-acb7-4030-a140-038ab6b9d5f0> | 3.8125 | 172 | Tutorial | Science & Tech. | 55.823885 |
Hydrogen has several isotopes and one of them, deuterium, exists quite naturally in water to form . In previous experiments and several papers by Gilbert Lewis, it has been found that life is hindered in the presence of . While this may be true, my PI Steve Koch wondered if life had found a use for it because naturally... | <urn:uuid:3637438d-72fb-4541-9609-72e293929b33> | 3.125 | 475 | Personal Blog | Science & Tech. | 47.460338 |
Hydrolysis, chemical decomposition of a substance by water. The hydrogen and oxygen atoms of water combine with the atoms or groups of atoms of the hydrolyzed substance to form new compounds. Hydrolysis is speeded by heat and pressure or by mixing an acid or base with the water. Hydrolysis is important in the manufactu... | <urn:uuid:f1339040-d177-48cf-8984-695c34ea1b34> | 3.328125 | 192 | Knowledge Article | Science & Tech. | 36.911127 |
Daniel Song, a doctoral student at the University of Pennsylvania, writes from Hovsgol National Park, Mongolia, where he is studying how plants and pollinators form interaction networks.
Tuesday, June 21
Next time you grab a snack or sit down for a meal, take a minute to think about what you’re eating; chances are plan... | <urn:uuid:affcbc56-d352-4351-b046-43eaf7fb7aae> | 3.90625 | 699 | Personal Blog | Science & Tech. | 34.42493 |
The Cherenkov Effect is caused by high-energy beta particles moving at velocities faster than the speed of light in water.
The effect causes the blue glow in nuclear reactors (right).
This process is similar to the sonic boom heard when an airplane exceeds the speed of sound.
Pioneer 2 re-entered Earth's atmosphere ove... | <urn:uuid:fe49bb92-57d4-47d8-9285-50bca8e1af5e> | 2.84375 | 105 | Knowledge Article | Science & Tech. | 70.180347 |
The exact causes of the long- and short-term Paleogene warm episodes remain enigmatic. Several pieces of geochemical evidence, including changes in the mean ocean 13C and alkalinity, point toward greenhouse forcing (Shackleton, 1986; Kennett and Stott, 1991; Zachos et al., 1993; Thomas and Shackleton, 1996). Samples re... | <urn:uuid:209c26e8-5e7d-4dc6-a6d0-9c83856ca2c5> | 3.671875 | 1,421 | Academic Writing | Science & Tech. | 37.13825 |
This monograph was reprinted by the American Crystallographic Association, successor to the American Society for X-Ray and Electron Diffraction, May, 1966.
This Monograph has two aspects. On the one hand, it is presented as a contribution to the study of structure factors — or Fourier transforms — of atomic groupings w... | <urn:uuid:5435ddbe-02e0-4168-9373-7130d1226fe9> | 3.03125 | 321 | Academic Writing | Science & Tech. | 25.263875 |
Simple Sequence Repeat (SSR)- a small segment of DNA, usually 2 to 5 bp in length that repeats itself a number of times. Useful SSRs usually repeat the core motif 9-30 times. Some of the major core motifs that we use in the development of SSR markers for soybean include ATT, AT, CTT, and CT.
Polymerase Chain Reaction (... | <urn:uuid:8166682f-950a-49f4-9794-d2f061a1c33d> | 3.359375 | 1,228 | Knowledge Article | Science & Tech. | 49.744644 |
Global Warming in a Nutshell
Occasionally it's good to step back from the details of global warming science and offer non-technical visitors a "Global Warming 101" perspective, sort of like The Big Picture, but starting from the very beginning and touching on many aspects of this broad topic. This article was revised a... | <urn:uuid:e64d438b-aa81-43ef-a137-aecb708ac7a8> | 3.40625 | 458 | Truncated | Science & Tech. | 38.87625 |
Anand Jagota's Group Web Site
Deposition of CNTs on Surfaces
We are developing techniques for controlled deposition of carbon nanotubes from an aqueous suspension onto a substrate. We typically work with DNA-CNT dispersions and deposit onto silicon wafers coated with an organic self-assembled monolayer. We find that th... | <urn:uuid:2560344d-fe5d-4f3a-8258-07f2c02e0e6e> | 2.734375 | 374 | Academic Writing | Science & Tech. | 33.593874 |
Documentation > Greenhouse effect > Risks > Will we turn the ocean into an acid lake ?
As everybody knows (or should know !), man is now putting significant amounts of CO2 into the atmosphere, though our emissions are taking place into a natural carbon cycle much more complex, which includes exchanges between the atmos... | <urn:uuid:80afdfc9-ee1b-4320-82fe-c2ec22a61fb6> | 3.625 | 1,730 | Knowledge Article | Science & Tech. | 41.449301 |
THE Hubble Space Telescope could soon be joined by a modest relative that will peer into the cosmos on behalf of Britain's schoolchildren, students and amateur astronomers. Space Innovations, a satellite company in Newbury, Berkshire, is about to begin a feasibility study for a project dubbed the Humble Space Telescope... | <urn:uuid:17f6f9fe-6d5f-4895-8247-dc4c81fee9af> | 3.171875 | 221 | Truncated | Science & Tech. | 40.58065 |
Interspecies Feshbach resonances
Feshbach resonances are an extremely valuable tool for ultracold atom experiments. They occur, when the colliding atoms can couple to a bound molecular state belonging to a different atomic asymptote. This situation can be artificially brought about by applying a homogeneous magnetic fi... | <urn:uuid:b19b9582-1f3a-4486-af4b-0a5edcd9be59> | 3.46875 | 1,211 | Academic Writing | Science & Tech. | 38.86378 |
The storm classification table below has been developed by scientists
at the University of Virginia for assessing the relative power of northeasterly
storms in the west-Atlantic. The severity of such storms depends on wave
height, which not only depends on wind strength but also on its duration
and fetch, all necessary... | <urn:uuid:5de2a29f-b0a1-46be-86e3-5639a65fde24> | 3.1875 | 256 | Knowledge Article | Science & Tech. | 61.965011 |
Structures Only Found in Plant (and Some Algae and Fungus) Cells
Now we move on to the fun stuff that you only wish
you had in your cells. It's OK to be jealous.
Like the cell walls in bacteria, fungi, algae, and some Archaea (single-celled organisms), plant cell walls are found just outside the plasma membrane
and pro... | <urn:uuid:d3a46709-4e6d-435e-922a-0321845e39c9> | 3.515625 | 669 | Knowledge Article | Science & Tech. | 45.342512 |
The physical ephemeris of a solar system body refers to its aspect as seen from the Earth: its apparent magnitude, the angular size of its disk, its apparent degree of illumination, the orientation of its pole, and the positions of its sub-solar and sub-Earth points. This information divides into illumination data and ... | <urn:uuid:687b2f82-b6a6-41d3-b4c7-85f8347e3ba3> | 3.875 | 578 | Knowledge Article | Science & Tech. | 29.526515 |
Every so often, someone (generally not a practicing scientist) suggests that it's time to replace science with something better. The desire often seems to be a product of either an exaggerated sense of the potential of new approaches, or a lack of understanding of what's actually going on in the world of science. This ... | <urn:uuid:ce63cc82-d538-4652-80e1-60e4e5426cd0> | 2.890625 | 970 | Comment Section | Science & Tech. | 35.985062 |
Exercise 1: Write a complete program to read a string of characters from the standard input and insert them in the stack. Print the size of the stack when you are done after the stack is filled out. Then, print out to the screen all the vowels in reverse order.
Use classes and functions to do the above program.
Exercis... | <urn:uuid:91e9acb6-98a5-4e42-8c82-ddccbbbbdce4> | 3.734375 | 144 | Tutorial | Software Dev. | 68.109888 |
Explore patterns based on a rhombus. How can you enlarge the
pattern - or explode it?
Learn how to use advanced pasting techniques to create interactive
Learn how to use increment buttons and scroll bars to create
interactive Excel resources.
Learn how to make a simple table using Excel.
Investigate factors and multipl... | <urn:uuid:4cec51d6-135b-40c5-bb21-14d77a4e6157> | 2.828125 | 326 | Content Listing | Science & Tech. | 54.22161 |
Is this a fair game? How many ways are there of creating a fair
game by adding odd and even numbers?
Interior angles can help us to work out which polygons will
tessellate. Can we use similar ideas to predict which polygons
combine to create semi-regular solids?
Photocopiers can reduce from A3 to A4 without distorting ... | <urn:uuid:9ba28b8f-dc75-496b-83a0-735c236a4ac2> | 3.984375 | 316 | Content Listing | Science & Tech. | 50.453945 |
November 6, 2009
A priority queue is a data structure that permits insertion of a new element and retrieval of its smallest member; we have seen priority queues in two previous exercises. Priority queues permit sorting by inserting elements in random order and retrieving them in sorted order. Heapsort uses the heap dat... | <urn:uuid:48657a07-d7ba-47a0-8723-148aac663d7b> | 4.1875 | 351 | Tutorial | Software Dev. | 55.392596 |
An estimator is called unbiased if its expected value is equal to the true parameter value, regardless of the true parameter's value. Is the Bayes estimate unbiased?
- By part (f), E(θbayes) = θ* if and only if 1-2θ* = 0, or θ* = 0.5. Therefore, the Bayes estimate is NOT unbiased. In fact, it is biased towards central ... | <urn:uuid:3560524f-a634-4a46-8543-58c9a5f689a5> | 3.46875 | 221 | Tutorial | Science & Tech. | 57.707005 |
We can see several types of galaxies, differring for example for their form, dimensions, brightness, mass, stellar contents and, in the end, for the energy emission distribution in the different bands of the electromagnetic spectrum.
The principal classification, called Hubble Sequency, is based on the form and it divi... | <urn:uuid:5ad91563-65db-415a-8df1-418edfcd2dd3> | 3.828125 | 393 | Knowledge Article | Science & Tech. | 40.772011 |
conic section or conic (kŏnˈĭk) [key], curve formed by the intersection of a plane and a right circular cone (conical surface). The ordinary conic sections are the circle, the ellipse, the parabola, and the hyperbola. When the plane passes through the vertex of the cone, the result is a point, a straight line, or a pai... | <urn:uuid:a7f67628-f15a-4895-b79f-1fc3de5e0eca> | 4.03125 | 186 | Knowledge Article | Science & Tech. | 34.246 |
Meanwhile the carbon dioxide content of the oceans will have doubled. This raises an incidental question about the welfare of sea organisms. We know that an increase in carbon dioxide concentration increases the acidity of water, and that many marine animals are extremely sensitive to changes in acidity. However, if th... | <urn:uuid:f9594281-ab58-426b-a107-fcf7e6a7d0ad> | 3.359375 | 247 | Truncated | Science & Tech. | 30.539104 |
News Stories relating to "rain"
Wednesday, February 6, 2013
Researchers have discovered the presence of significant numbers of living microorganisms--mostly bacteria--in the middle and upper troposphere, the part of the atmosphere four to six miles above the Earth's surface. In other words, the clouds are filled with g... | <urn:uuid:ee97e1f7-8d97-480a-ad0c-3000610053c6> | 2.6875 | 538 | Content Listing | Science & Tech. | 57.697988 |
Determination of Monthly Mixed Layer Depth Fields
In order to define monthly mixed layer depth (MLD), a weighted average based on two sources of MLD information was created, one source based on observations and the other based on a numerical ocean model. The first was the MLD product offered by the National Ocean Data ... | <urn:uuid:7b467fc4-3073-44f1-88ff-7923c19f037b> | 2.90625 | 686 | Academic Writing | Science & Tech. | 42.948417 |
From Universe Today (yes I know it is linked elsewhere on BAUT, but I thought worthy of repeating here)
A new look at data from the Mars Viking landers concludes that the two landers may have found the building blocks of life on the Red Planet after all way back in 1976. The surprise discovery of perchlorates by the Ph... | <urn:uuid:da3de58a-6110-4a2a-9679-c1a06ae7c42d> | 2.96875 | 301 | Comment Section | Science & Tech. | 30.115236 |
I enjoy a lively discussion. Perhaps that was my objective, rather than my original position regarding the direction and source of the force which causes the tides.
Each particle of each body "attracts" every other particle. The actual number of forces may be near infinity. If we assume both bodies to be emitting separ... | <urn:uuid:5dbb6e0f-c4ac-42e3-837d-4d765b890101> | 3.265625 | 711 | Comment Section | Science & Tech. | 47.187271 |
Check me out @ Youtube.com/aemind for more Mind Empowering videos.
I want to talk about Flexible Electrons in today’s Mind Updates video.
Even though scientist from Northwestern University had discovered a way to make electrons flexible, they could never really make them as flexible as they would need to be in order to... | <urn:uuid:59e56725-1acc-42a9-87eb-7c6647367721> | 3.0625 | 204 | Truncated | Science & Tech. | 56.018246 |
Vacuum expectation value
|Quantum field theory|
In quantum field theory the vacuum expectation value (also called condensate or simply VEV) of an operator is its average, expected value in the vacuum. The vacuum expectation value of an operator O is usually denoted by . One of the best known examples of an observable p... | <urn:uuid:2cd5024e-3744-4b88-a7b7-5bb7e567484c> | 3.015625 | 407 | Knowledge Article | Science & Tech. | 53.763121 |
When designing Wrapfs, we concentrated on the following aspects:
The first four points are discussed below. Performance is addressed in detail in Section 5.
Without changing a given Vnode interface, we have identified three items that file system developers want to inspect or manipulate: file data, names, and attribute... | <urn:uuid:4d28475c-e388-45b6-b46c-ac097435f7e4> | 2.734375 | 1,922 | Documentation | Software Dev. | 40.365984 |
<programming> A data type composed of multiple elements. An aggregate can be homogeneous (all elements have the same type) e.g. an array, a list in a functional language, a string of characters, a file; or it can be heterogeneous (elements can have different types) e.g. a structure. In most languages aggregates can con... | <urn:uuid:cd86a712-41e0-41d1-8555-228d13c8ef36> | 3.09375 | 130 | Structured Data | Software Dev. | 42.487918 |
Become a fan of h2g2
Earth is the third planet from the Sun, and, as far as we know, where all humans live.
- Mass: 5.9736×1024kg
- Equatorial Radius: 6378.1km
- Mean Density: 5515kg/m3
- Length of Day: 24.0000 hours
- Period of Revolution about Sun: 365.256 days
- Acceleration due to Gravity: 9.81m/s2
- Mean Orbital V... | <urn:uuid:724ce15c-e412-477f-988f-06d9112f3002> | 3.421875 | 347 | Knowledge Article | Science & Tech. | 73.556131 |
Create reusable content
You can make elements on a screen into user controls that can be used in multiple pages throughout a prototype. For example, you can create a navigation bar, and then make the navigation bar into a user control so that you can reuse the control throughout your prototype.
For more information abo... | <urn:uuid:b845d177-2172-499b-b58d-ab23ae262735> | 2.8125 | 407 | Documentation | Software Dev. | 51.050759 |
This is a clear and concise treatise on phase transition, written by Leo Kadanoff, one of the leading figures today in condensed matter physics. Even if you don't understand the mathematics, the written description of phase transition is very well presented, so I highly recommend this for everyone to read.
Abstract: Th... | <urn:uuid:0ccff45f-bf53-4ad6-a679-cbd515f50430> | 2.921875 | 372 | Personal Blog | Science & Tech. | 28.436696 |
Explanation of Characteristics of Fluids by Ron Kurtus - Succeed in Understanding Physics. Key words: Physical Science, states of matter, solid, gas, liquid, plasma, shape, container, gravity, sphere, spreading, pour, flow, School for Champions. Copyright © Restrictions
Characteristics of Fluids
by Ron Kurtus (revised ... | <urn:uuid:b04d95f3-6fb6-4aaa-b4a3-010dc6dab246> | 4.28125 | 1,374 | Truncated | Science & Tech. | 55.848482 |
Science Fair Project Encyclopedia
Intuitively, a space is complete if it "doesn't have any holes", if there aren't any "points missing". For instance, the rational numbers are not complete, because √2 is "missing" even though you can construct a Cauchy sequence of rational numbers that converge to it. (See the examples... | <urn:uuid:91351a8e-8f44-4fca-9450-6a233a2a604c> | 3.25 | 1,244 | Knowledge Article | Science & Tech. | 47.902841 |
As I write this, the engine room is carefully adjusting the ship's ballast. This is an interesting physics problem for all you scholars out there. As we burn fuel, we transform the heavy liquid into a gas exhaust that leaves the confines of the ship. Therefore, we're getting lighter.
As we get lighter, we sit higher in... | <urn:uuid:d2745840-ee98-427e-88ef-f8433a579c32> | 2.875 | 981 | Audio Transcript | Science & Tech. | 60.138815 |
DIVERSITY & ENDEMISM
Although research into the flora of the Horn of Africa is still ongoing, the best possible estimates are that there are about 5,000 species of vascular plants in the region, just over half of which – about 2,750 species – are endemic. There are strong concentrations of endemic species in northern S... | <urn:uuid:e9832b38-80c2-4a88-accb-36480d2dbf17> | 3.359375 | 1,614 | Knowledge Article | Science & Tech. | 25.314095 |
This tutorial series will run for five consecutive weeks. In this installment, Go expert Mark Summerfield explains how to set up Go, and then he provides two examples of Go programs that are explained in depth. The programs provide a partial overview of Go's key features and some of its key packages. The following week... | <urn:uuid:c32a6fff-7288-4c6e-b13e-1269b631523d> | 3.046875 | 1,379 | Documentation | Software Dev. | 54.521296 |
Trees are very important and necessary for existence of life on this planet. It’s impossible to believe life without trees, trees play important role in our very dependable food cycle.
Our existing forests and trees we plant in our life work inline to make this planet better place to live and flourish, thus saving and ... | <urn:uuid:8a6f55e8-46db-421c-8215-81f5ef4f45cf> | 3.359375 | 499 | Knowledge Article | Science & Tech. | 46.763455 |
The form element contains all the component elements of an HTML online form. Forms are a way of capturing user input whether they be personal details, user preferences or an order for goods or services. This input is entered into the form and then the information is sent, usually over the Internet, for whatever action ... | <urn:uuid:5a83c702-6b6a-4399-8886-6b27c00ec1c7> | 3.625 | 471 | Documentation | Software Dev. | 46.029767 |
This study deals with preparation of substrates suitable for surface-enhanced Raman spectroscopy (SERS) applications by sputtering deposition of gold layer on the polytetrafluorethylene (PTFE) foil. Time of sputtering was investigated with respect to the surface properties. The ability of PTFE-Au substrates to enhance ... | <urn:uuid:bfda52f2-e311-481c-82ab-037f002ffb16> | 2.765625 | 3,406 | Academic Writing | Science & Tech. | 48.110748 |
If 4 million cars were taken off the road in a single year, stopping 9 billion kilograms of carbon dioxide being discharged, most environmentalists would whoop with joy. But what if the same saving came from planting genetically modified crops?
This is the claim of an annual audit of GM crops by the International Servi... | <urn:uuid:9270afc8-64c6-45fa-9e94-2a05f17d847a> | 3.1875 | 211 | Truncated | Science & Tech. | 52.839662 |
Stopping the Earth's rotation
Name: Adam L Chorak and Janette L Gubala
What would happen if the Earth's rotation stopped?
The biggest changes would be the climate. One side would be very hot and
the other very cool and dark. There would be lots of other related changes.
There are very few ways that we could slow down t... | <urn:uuid:7fde5d86-e972-488b-a23a-d8da96a359a7> | 3.296875 | 225 | Comment Section | Science & Tech. | 65.232098 |
Professor Rodríguez-Iturbe discusses new fish diversity model
Posted May 7, 2008; 12:55 p.m.
This interview is based on a paper published in the journal Nature on May 8, 2008. Read more
Video Closed Captions
I am a hydrologist, which basically means that I deal with the movement
of water in landscapes.
The dynamics of ... | <urn:uuid:c5b97874-0143-4075-bec5-b72e1c165b94> | 2.6875 | 427 | Audio Transcript | Science & Tech. | 44.210354 |
Anales del Instituto de la Patagonia
versão On-line ISSN 0718-686X
CARDENAS M, Carlos; JOHNSON G, Erling e CARVALLO B, Rubén. Surface an subglacier topography near to the O'Higgins Base Station at north of the Antarctic Peninsula. Anales Instituto Patagonia (Chile) [online]. 2011, vol.39, n.2, pp. 97-101. ISSN 0718-686... | <urn:uuid:65e0b878-713f-453c-841c-b0d79e14578c> | 2.859375 | 311 | Knowledge Article | Science & Tech. | 55.694461 |
Web edition: April 26, 2004
Print edition: May 1, 2004; Vol.165 #18 (p. 287)
I know some people who carefully shield their bodies from the sun with sunscreen and clothing, and their skin is extremely pale. But if tanning acts as a protector ("Sunny Solution: Lotion speeds DNA repair, protects mice from skin cancer," SN... | <urn:uuid:c1a1a422-09a6-4622-a89a-ebf2bd2873b7> | 3.03125 | 573 | Comment Section | Science & Tech. | 77.069679 |
Narrator: This is Science Today. Recent images of dust storms on Mars are helping astronomers study its changing surface and weather conditions and prepare for NASA's mission to send rovers to explore the planet's surface in 2004. Meanwhile, biochemist Mark Thiemens of the University of California, San Diego has develo... | <urn:uuid:4a2be97f-13b9-42b2-a73b-7cab01f0e7e3> | 3.8125 | 237 | Audio Transcript | Science & Tech. | 35.58345 |
The spruces can be recognized
as a genus by the sharp pointed needles, nearly square in
cross-section (not strongly flattened) and attached to the
twigs by sterigmata.
The terminal branches of mature trees of Picea abies
often hang down giving them a distinctive appearance which
together with the very large cones make ... | <urn:uuid:9419f22a-c390-4998-acb3-caeec751afc7> | 2.875 | 139 | Knowledge Article | Science & Tech. | 34.795903 |
Promethium: geological information
It appears that there is no known Pm existing in the earth's crust other than in very small quantities in uranium ores where it is present as a uranium decay product.
Abundances of promethium in various environments
In this table of abundances, values are given in units of ppb (parts ... | <urn:uuid:6e92b604-e1c7-4bb4-9fd0-a185f54b857c> | 3.703125 | 259 | Knowledge Article | Science & Tech. | 38.495962 |
Thermohaline Circulation: The Global Ocean Conveyor
The world has several oceans, the Pacific, the Atlantic, the Indian, the Arctic, and the Southern Ocean. While we have different names for them, they are not really separate. There are not walls between them. Water is able to move freely between oceans. They are all c... | <urn:uuid:d154ff21-d8cc-4832-970a-8cea60ff2dd5> | 3.859375 | 572 | Knowledge Article | Science & Tech. | 47.810943 |
General relativity is a theory which describes space, time and the gravitational field in terms of a Lorentzian metric . A complete understanding of the gravitational field requires an understanding of the matter sources which generate it. In the Einstein equations, , the left hand side depends only on and is a feature... | <urn:uuid:7a8fe757-e6d6-4a38-bbe7-6984253d3f2f> | 2.84375 | 1,064 | Personal Blog | Science & Tech. | 44.16052 |
You can estimate your personal carbon footprint, or the carbon footprint for your household, at several Web sites.
Your answer will depend on the size of your home, how much you drive, whether you fly frequently and many other factors.
The answer can also depend (and this won't surprise the parents of teenagers) on how... | <urn:uuid:817dc7ec-6fef-4be8-9046-e8fccf5962b1> | 2.828125 | 246 | Tutorial | Science & Tech. | 53.207653 |
WHAT IS THE DIFFERENCE BETWEEN CLIMATE CHANGE AND GLOBAL WARMING?
Climate change is the shift in long-term, global weather patterns due to human action; it’s not exclusive to warming or cooling.
Climate change includes any change resulting from different factors, like deforestation or an increase in greenhouse gases. G... | <urn:uuid:b513f196-4f91-41de-aa53-24d58e3356b7> | 3.515625 | 702 | Knowledge Article | Science & Tech. | 27.254591 |
Visual C++ Network: When does 'send()' return?
Q: When does 'send()' return?
A: As being indicated in the FAQ "Does one call to 'send()' result in one call to 'recv()'?" , there are some specialties about the 'send()' function as well which need to be understood.
If no error has occurred, 'send()' will return the numbe... | <urn:uuid:38f4394b-81e3-4374-9a83-8876b5cb0b5b> | 3.078125 | 553 | Q&A Forum | Software Dev. | 63.212325 |
You may also attempt to solve it yourself as a mathematical exercise. Using your own senses, you can see that the illustration is a 7x7 grid with three red squares on it it the positions (3,4), (5,2), and (5,5) depending on how you define your coordinate system. If this drawing were on the $xy$ plane and your camera is... | <urn:uuid:94c7e4c9-61df-45e8-97d2-7d68de0e2d7d> | 3 | 302 | Tutorial | Science & Tech. | 48.20671 |
Why geomagnetic storms affect telegraphs, telephones, power grids and piplines
The Space Environment Center website has information on solar conditions and the effects of the solar wind, under the headings of Geomagnetic Storms, Solar Radiation and Radio Blackouts. A surprising number of things are affected by solar we... | <urn:uuid:80cd1ad0-e0f7-4003-bbae-ee1c96980fbf> | 3.15625 | 1,534 | Personal Blog | Science & Tech. | 42.193 |
At a toasty 3,700 degrees Fahrenheit, the planet is hot enough to liquefy steel. And there’s not much relief from the scorching heat: Researchers at MIT and other institutions say the planet may lack reflective surfaces such as ice caps, instead absorbing most of the heat from its parent star — much as Earth’s dark oce... | <urn:uuid:b5cf01d0-6106-4b14-861c-de6667a2f4bb> | 2.875 | 142 | Truncated | Science & Tech. | 53.835613 |
How Corals Succumb to Sedimentation
Weber, M., de Beer, D., Lott, C., Polerecky, L., Kohls, K. Abed, R.M.M., Ferdelman, T.G. and Fabricius, K.E. 2012. Mechanisms of damage to corals exposed to sedimentation. Proceedings of the National Academy of Sciences USA 109: 10.1073/pnas.1100715109.
In an effort to find the true ... | <urn:uuid:79b3557b-3571-4783-b10d-90b6c22fd394> | 3.1875 | 616 | Academic Writing | Science & Tech. | 50.047845 |
One thing that often confuses new users to the Unix / Linux shell, is how to do (even very simple) maths. In most languages,
x = x + 1 (or even
x++) does exactly what you would expect. The Unix shell is different, however. It doesn’t have any built-in mathematical operators for variables. It can do comparisons, but mat... | <urn:uuid:83df7ef4-ae4a-47ac-9022-0591902c0253> | 3.421875 | 1,194 | Personal Blog | Software Dev. | 67.199412 |
This article by Alex Goodwin, age 18 of Madras College, St Andrews
describes how to find the sum of 1 + 22 + 333 + 4444 + ... to n
If a number N is expressed in binary by using only 'ones,' what can
you say about its square (in binary)?
What is the sum of: 6 + 66 + 666 + 6666 ............+ 666666666...6
where there are... | <urn:uuid:affdc18f-9a11-4272-8474-251a752b2ef6> | 2.6875 | 523 | Content Listing | Science & Tech. | 70.648475 |
Ever wonder how much daylight you can gain or lose just by getting in your car and driving either West or East?
Here’s how to figure it out. The Earth’s circumference is about 25,000 miles (40,000 km) at the equator. So if you start out at sunrise and drive 1,000 miles (1,600 km) Westward during the daylight hours, you... | <urn:uuid:0de921e0-3290-404f-a63c-311c02f2b928> | 3.21875 | 606 | Personal Blog | Science & Tech. | 88.52125 |
We recently wrote about how hydrogen production is a costly endeavor
for our water supply, as well as the electric gird, effectively making traditional methods of manufacturing a near-impossibility. But Bruce E. Logan, professor of enivronmental engineering at Penn State, has developed a technique that could change tha... | <urn:uuid:33ebe09f-28ac-4fc2-a473-b3bf6ffaf5dd> | 3.828125 | 346 | Knowledge Article | Science & Tech. | 26.003682 |
The spin of a molecule (orange) changes and deforms the nanotube (black) mounted between two electrodes (gold).
(Figure: C. Grupe/KIT)
Carbon nanotubes and magnetic molecules are considered building blocks of future nanoelectronic systems. Their electric and mechanical properties play an important role. Researchers of ... | <urn:uuid:75e3456e-4daf-49fc-8c91-fd04a1770b61> | 3.53125 | 447 | Academic Writing | Science & Tech. | 29.456291 |
.NET offers many useful features like Base Class Library [BCL], Just in Time compiler [JIT], intermediate code known as MSIL, code access security and Garbage Collector aka GC. GC is responsible for memory management and is credited with the success of .NET platform as well as some really strange stories .
Basics of Me... | <urn:uuid:38d71226-fb2c-4737-a0c8-a7dff9658e1e> | 3.421875 | 748 | Documentation | Software Dev. | 48.797876 |
CALL me a converted skeptic. Three years ago I identified problems in previous climate studies that, in my mind, threw doubt on the very existence of global warming. Last year, following an intensive research effort involving a dozen scientists, I concluded that global warming was real and that the prior estimates of t... | <urn:uuid:791243c9-da65-43fe-bfcf-77b17d34fc66> | 3.125 | 482 | Comment Section | Science & Tech. | 47.881151 |
functions cause the regular file named by
or referenced by
to be truncated to a size of precisely
If the file previously was larger than this size, the extra data is lost.
If the file previously was shorter, it is extended, and
the extended part reads as null bytes ('\0').
The file offset is not changed.
If the size ch... | <urn:uuid:d1be2a39-cbac-46ab-96e6-da3bed54f94e> | 2.96875 | 587 | Documentation | Software Dev. | 54.423924 |
Nitrogen in the air
Nitrogen is required by all living organisms for the synthesis of proteins, nucleic acids and other nitrogen containing compounds. The Earth’s atmosphere contains almost 80 % nitrogen gas. It cannot be used in this form by most living organisms until it has been fixed, that is reduced (combined with... | <urn:uuid:e839757b-59b5-4a54-b4ef-6a08599b64fa> | 3.515625 | 134 | Knowledge Article | Science & Tech. | 42.104405 |
THE solar system may be older than we think it is. This claim is based on new studies of rubidium in massive stars.
One way to work out the age of the solar system is to use radioactive dating of the heavy element rubidium in meteorites, assuming that the meteorites started out with the same level of the metal as the e... | <urn:uuid:0e8efd9d-22df-45ef-b074-bd5c0496d4bb> | 4.125 | 216 | Truncated | Science & Tech. | 53.582016 |
So, believe it or not, we have our first named storm of the year, and we still have a few weeks before the official start of tropical season.
Sub tropical storm Andrea was named yesterday (wed. may 9) afternoon, and has since been downgraded to a tropical depression. It is very interesting that they decided to name thi... | <urn:uuid:740932b0-025d-4d9a-a28f-62be37da58bc> | 3.328125 | 241 | Comment Section | Science & Tech. | 50.171031 |