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Atmospheric Infrared Sounder
The Atmospheric Infrared Sounder is an instrument onboard NASA's Aqua satellite under the space agency's Earth Observing System. The sounding system is making highly accurate measurements of air temperature, humidity, clouds and surface temperature. Data will be used to better understand we... | <urn:uuid:994359c1-ec4f-4742-99bb-5554cc455037> | 3.0625 | 165 | Knowledge Article | Science & Tech. | 20.608229 |
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Reinventing Measures Talent As Much As Inventing
Wed Aug 22 17:09:10 BST 2012 by alex
What is significant is that a Bonobo can learn and emply this technique. The matter of whether they could devise it would need a lot more exploration, but there is no reason why not, given time and the ... | <urn:uuid:9c5c4a34-cf15-4c08-b0c4-4cd15d26f500> | 3.21875 | 198 | Comment Section | Science & Tech. | 40.876185 |
Relative Speed and Frame of Reference
Name: Jane K.
When you are driving side by side with another car, why does the other car appear to
be not moving, even though it is moving with the same speed as your car?
It appears to be standing still because with respect to your frame of reference (your car) it is not
moving. T... | <urn:uuid:d1aef03b-7d08-469b-8630-2f941e39ab66> | 2.890625 | 111 | Knowledge Article | Science & Tech. | 59.167926 |
In programming, a repetition within a program. Whenever a process must be repeated, a loop is set up to handle it. A program has a main loop and a series of minor loops, which are nested within the main loop. Learning how to set up loops is what programming technique is all about.
The following example prints an invoic... | <urn:uuid:bb886ab7-755a-4989-a70f-40df7f3b0d41> | 4.375 | 307 | Knowledge Article | Software Dev. | 55.739231 |
Aug. 31, 2010 The ozone layer, which protects humans, plants, and animals from potentially damaging ultraviolet (UV) light from the Sun, develops a hole above Antarctica in September that typically lasts until early December. However, in November 2009, that hole shifted its position, leaving the southern tip of South A... | <urn:uuid:c7ae7159-e48a-4374-ac18-7c25ba24ea6b> | 4.15625 | 627 | Truncated | Science & Tech. | 47.4925 |
Transformation of Legendre
The transformation of Legendre is an operation which makes it possible to pass from a function of state of a system describes by a whole of variables to another function of state describing the same system using an other set of variables. In fact, this transformation makes it possible to crea... | <urn:uuid:654ccdd6-f363-4988-a836-ae0e32063f1c> | 3.03125 | 1,255 | Tutorial | Science & Tech. | 27.328387 |
This video from the USA is called Hurricane Sandy Hits Jamaica on Path Toward Cuba, Florida.
The eastern US is bracing for Hurricane Sandy, which is expected to make landfall next week. The storm looks set to be a record-breaker, and could cause severe damage. New Scientist breaks down what we know about the storm, and... | <urn:uuid:36c81dab-dc59-4d03-9169-9ed3318cfc0f> | 2.734375 | 216 | Personal Blog | Science & Tech. | 49.119755 |
The South American Network on Antarctic Marine Biodiversity (BioMAntar) is a multinational project that was built through the Latin American Census of Antarctic Marine Life (LA CAML), but financed nationally. The BioMAntar intends to foster the interaction among scientists and administrators of the participant countrie... | <urn:uuid:8a4ed75b-baeb-4f9e-a61c-8173889ae673> | 2.921875 | 267 | Knowledge Article | Science & Tech. | 26.098864 |
You know a match helps to light a fire but did you know phosphorus is the key element used in making match sticks? This video explains the chemical characteristics of phosphorus and why it is such a hot element.
Plants are also considered as living beings of nature just like humans, animals and other living stock. Just... | <urn:uuid:4072531f-a27e-44cc-ba52-82d82e294182> | 3.484375 | 232 | Content Listing | Science & Tech. | 57.705642 |
What is a quantum dot? What is a nanowire? What is a nanotube? Why are they interesting and what are their potential applications? How are they made? This presentation is intended to begin to answer these questions while introducing some fundamental concepts such as wave-particle duality, quantum confinement, the elect... | <urn:uuid:f1475433-a2ef-408c-b96d-7af6091c0d1e> | 2.796875 | 168 | Knowledge Article | Science & Tech. | 26.876 |
Is it possible to remove ten unit cubes from a 3 by 3 by 3 cube made from 27 unit cubes so that the surface area of the remaining solid is the same as the surface area of the original 3 by 3 by 3 cube?
60 pieces and a challenge. What can you make and how many of the
pieces can you use creating skeleton polyhedra?
A ver... | <urn:uuid:3634d9aa-2728-476c-bf83-2f85b70c2b59> | 3.28125 | 292 | Q&A Forum | Science & Tech. | 59.947011 |
Do you know how to find the area of a triangle? You can count the
squares. What happens if we turn the triangle on end? Press the
button and see. Try counting the number of units in the triangle
now. . . .
Make an eight by eight square, the layout is the same as a
chessboard. You can print out and use the square below.... | <urn:uuid:39ffa6c6-7333-4006-935c-aa45fc98c78a> | 3.53125 | 1,708 | Content Listing | Science & Tech. | 75.209915 |
Ocean conditions surrounding the OOI RSN are bracketed on the pelagic or open-ocean end by the OOI global site at Ocean Station Papa, and on the coastal end by the Endurance Array. The OOI RSN resides in a complex system of currents, where wind- and tide-forced motions lead to turbulent mixing that aids transport of ch... | <urn:uuid:1f35ae6e-723f-4a20-9b04-f07671b7610b> | 2.71875 | 776 | Academic Writing | Science & Tech. | 23.633002 |
A website that uses hydrogen generates almost no contamination, creating it much recommended over energy sources.
Hydrogen is numerous in the world and is discovered when in addition to other components that will help type substances like drinking water or H2O. By using the energy of hydrogen you will be able to type e... | <urn:uuid:21648f6e-6053-45fd-a8eb-78f67247da68> | 3.140625 | 523 | Knowledge Article | Science & Tech. | 33.785233 |
Many spiral galaxies have bars across their centers.
Even our own
Milky Way Galaxy is thought to have a
modest central bar.
Prominently barred spiral galaxy NGC 1672, pictured above, was captured in spectacular detail in image taken by the orbiting
Hubble Space Telescope.
Visible are dark filamentary
dust lanes, young
... | <urn:uuid:b24acc15-5926-426a-8d7d-d2a79d949835> | 3.890625 | 181 | Knowledge Article | Science & Tech. | 42.686275 |
John Baez has written up a short history of some of Earth’s disasters. These include the Big Splat, also known as the formation of the Moon, the Heavy Bombardment, the Oxygen Catastrophe, and Snowball Earth.
In 2004, the astrophysicist Robin Canup, at the Southwest Research Institute in Texas, published some remarkable... | <urn:uuid:827fb8f9-3789-4dcf-8702-ea6839e7a542> | 3.5625 | 332 | Personal Blog | Science & Tech. | 70.012416 |
National Wetlands Update September 2012
Issue No. 21, September 2012
Rewetting - response of arid floodplain wetlands following extensive drought
Cherie Campbell, Murray-Darling Freshwater Research Centre, Mildura
Abundant aquatic macrophytes following
environmental watering at Scotties Billabong.
Management interventi... | <urn:uuid:bba43f7c-ff79-4d0e-9a69-efea31a5e762> | 2.9375 | 770 | Knowledge Article | Science & Tech. | 21.132318 |
Facts about Lutetium
Facts about Lutetium - Element included on the Periodic Table
Facts about the Definition of the Element Lutetium
The Element Lutetium is defined as...
A silvery-white rare-earth element that is exceptionally difficult to separate from the other rare-earth elements, used in nuclear technology.
Inter... | <urn:uuid:f6ed9f11-cead-4125-85cc-e3f43eb52abd> | 3.59375 | 777 | Knowledge Article | Science & Tech. | 30.481217 |
Hydroelectric schemes usually generate a barrage of criticism from conservationists. But the flooding of a Venezuelan valley 20 years ago has provided ecologists with the ideal outdoor laboratory to answer one of ecologys oldest and thorniest questions: why is the world green?
Reporting their results in the March issue... | <urn:uuid:129a1d7a-f936-424f-9942-02f3ff408cf9> | 4 | 1,239 | Content Listing | Science & Tech. | 43.570499 |
Direct access to content
A laser infrastructure of a power unique in the world for extreme physics This new scientific infrastructure will house the most powerful laser ever built. It will be dedicated to laser research. The preparatory phase of the project, run jointly by the Applied Optics Laboratory (LOA), ENSTA Par... | <urn:uuid:7659ab0c-ac23-4d9a-ada1-00822b479430> | 2.96875 | 405 | Knowledge Article | Science & Tech. | 26.527717 |
It's one thing to hop around on another world for two or three days at a time, as the Apollo astronauts did. But it's something else to live and work on Mars for weeks on end, as the first human explorers to the Red Planet will do. For one thing, those astronauts will need a suit that can stand up to the abuse, and MIT... | <urn:uuid:1b2e3c30-9b37-43f4-a6b7-e07579f9b008> | 2.6875 | 163 | Truncated | Science & Tech. | 51.515 |
Mike Fay and Enric Sala are exploring the waters off the coast of Gabon with an eye toward protecting its ecosystem. This picture was taken when their remote operated vehicle (ROV) selected a shell from the sea floor.
When we picked up the shell from the ROV’s arm, to our surprise, a small octopus came out of the shell... | <urn:uuid:c55d7835-7c58-4cdd-bfad-61b02ce6d3b0> | 3 | 175 | Truncated | Science & Tech. | 56.908859 |
Damselflies are brightly coloured insects who, like dragonflies, are acrobatic masters of the air as they hunt for their prey.
Damselflies are delicate and very thin and fold their wings back over their bodies at rest. You can sometimes spot clouds of them flitting over the water surface and amongst vegetation on sunny... | <urn:uuid:f371a904-22e9-4a2b-b1a3-773bc65e0de9> | 3.359375 | 236 | Knowledge Article | Science & Tech. | 44.272077 |
Cellular Automata Coupled by Overlap or Common Boundary
Cellular automata (CA) are often treated as isolated systems with simple cyclic or Dirichlet boundary conditions. Realistic systems, in contrast, interact with the environment through a boundary. Boundaries can be as simple as solid body surfaces, as complex as wa... | <urn:uuid:fad036a2-ea09-4ec8-a94e-b417b7d1c1ed> | 3.015625 | 655 | Documentation | Science & Tech. | 46.151667 |
Knott, Edward Joseph (2007) The effect of elephants (Loxodonta africana, Blumenbach, 1797) on Xeric Succulent Thicket. Masters thesis, Rhodes University.
This study looks at the impact of elephant feeding on the Xeric Succulent Thicket component of Eastern Cape Subtropical Thicket (ECST) in Addo Elephant National Park ... | <urn:uuid:be140da5-eee6-472b-b701-0c1ccddde781> | 2.796875 | 541 | Academic Writing | Science & Tech. | 26.748103 |
Purpose of future metagenomic (DNA), metaproteomic (protein) and metatranscriptomic (RNA) analysis:
For each sample, two drums (~200L each) of seawater were collected. Samples were taken from CTD sites, and surface samples (2m depth) taken at each of these sites. At most of these CTD sites, a deeper sample was taken ac... | <urn:uuid:eb0af40d-9eca-493c-8798-053dc726d407> | 2.984375 | 281 | Documentation | Science & Tech. | 56.985303 |
fgetc, getc, getchar, getc_unlocked, getchar_unlocked, getw - get next
character or word from input stream
Standard C Library (libc, -lc)
The fgetc() function obtains the next input character (if present) from
the stream pointed at by stream, or the next character pushed back on the
stream via ungetc(3).
The getc() fun... | <urn:uuid:e50f83cc-b72d-4076-a67e-86af3109c17c> | 3.734375 | 548 | Documentation | Software Dev. | 56.772667 |
| Fresnel's Rhomb was developed in 1817 by Augustin Jean
Fresnel (1788-1827) to produce circularly polarized light. In this form,
there are two electric field vectors associated with the ray of light that
are out of phase with each other by 90°.
The rhomb has outside angles of 54° and 126°. The light coming into the to... | <urn:uuid:976a5d11-4d01-4b29-8f20-2bbea77136f6> | 3.984375 | 260 | Knowledge Article | Science & Tech. | 60.509913 |
Thursday, August 5, 2010
Rate of Solution: Sugar Cubes
I did this with 4th grade students who were learning about solutions. It's simple, but they have a good time and learn a little something in the process!
For each pair of students, you'll need:
-4 Sugar Cubes
For the whole class:
-Room Temperature Water
-A means of... | <urn:uuid:c5e747c0-5b01-46e6-b850-6cc36cc2ea11> | 3.765625 | 392 | Tutorial | Science & Tech. | 62.828667 |
In 1989 Stanley Pons and Martin Fleischmann made a sensational claim that would have changed the world—had it been true. They said they had achieved nuclear fusion at room temperature using a simple tabletop device, thus creating a revolutionary clean energy source they called “cold fusion.”
Unfortunately for the Unive... | <urn:uuid:654cf166-3e36-433a-844e-da702b3ca193> | 3.1875 | 141 | Truncated | Science & Tech. | 26.229357 |
Very small variations in the initial values of the 12 variables he used in his computer to model the weather would, he discovered, result in very divergent weather patterns. The variables were numerical rules or equations expressing the relationships between temperature and pressure, between pressure and wind speed and... | <urn:uuid:29ca7539-6316-4b18-8f71-6ab4a68fa701> | 3.984375 | 1,165 | Knowledge Article | Science & Tech. | 36.397333 |
The luminescent displays produced by these organisms are veritable light shows above coral reefs at night and as such are gaining attention among the tourism industry as one of the real wonders of a coral reef. There are no direct economic models that have been done on these organisms.
impact statement issue
Biolumines... | <urn:uuid:7b094701-67fb-4a97-aff8-d983a3e5f688> | 2.859375 | 312 | Academic Writing | Science & Tech. | 25.220784 |
two tiny conducting balls of identical mass m and identical charge
q hang from nonconducting threads of length L. Assume that ? is so
small that tan ? can be replaced by its approximate equal, sin ?.
If L = 170 cm, m = 13 g, and x = 6.6 cm, what is the magnitude of
q, in nanocoulombs? | <urn:uuid:1952003b-abb2-42a7-92fb-296933dfe9a9> | 2.90625 | 79 | Q&A Forum | Science & Tech. | 92.471667 |
Melting Arctic ice heralds new polar hybrids: Pizzlies and more
A pizzlie is a cross between a polar bear and a grizzly bear, and this new hybrid animal may foreshadow as many as 34 hybrids to come as Arctic ice melts, say scientists.
An odd-looking white bear with patches of brown fur was shot by hunters in 2006 and f... | <urn:uuid:50a25c9a-8169-466e-8257-120c3ba14e45> | 3.34375 | 637 | Truncated | Science & Tech. | 27.052071 |
When considering scalable system design, it helps to decouple functionality and think about each part of the system as its own service with a clearly defined interface. In practice, systems designed in this way are said to have a Service-Oriented Architecture (SOA). For these types of systems, each service has its own ... | <urn:uuid:658a7922-824b-485a-b6cf-574d569e827a> | 2.8125 | 1,843 | Academic Writing | Software Dev. | 31.075028 |
Scientists are hoping to restore the decimated mollusk population by releasing millions of microscopic scallop larvae into the waters off southwest Florida.
There have not been enough scallops to allow recreational collecting, or commercial harvesting, since the 1960s.
This weekend volunteers helped scientists place fo... | <urn:uuid:c4c0f506-8de5-4176-bca5-807b8f9ee218> | 2.921875 | 150 | Truncated | Science & Tech. | 45.929189 |
Joined: 16 Mar 2004
|Posted: Fri Aug 24, 2007 9:46 am Post subject: Nanotechnology For Sustainability
|Nanotechnology will play large part in transportation sector.
The primary impact of nanotechnologies will be in more efficient use of existing resources rather than the creation of new supplies from solar and hydrogen... | <urn:uuid:d2913ff2-e567-41e4-881b-6497d4410a9c> | 2.71875 | 414 | Comment Section | Science & Tech. | 23.054822 |
Three astronauts got an unpleasant taste of what early spacefarers had to cope with this week, when their spacecraft executed a fiery nosedive through Earth's atmosphere.
On 19 April, a Russian Soyuz TMA-11 capsule unexpectedly switched to "ballistic re-entry mode" on its journey home from the International Space Stati... | <urn:uuid:50d919da-0370-4a99-896b-a798678d90e7> | 2.9375 | 238 | Truncated | Science & Tech. | 45.713025 |
A SPECIES of starfish has confounded climate change doom-mongers by thriving as sea temperatures and acidity increase - a scenario that is likely as the world gets warmer.
Most studies have concluded that sea animals with calcified shells or skeletons, such as starfish, will suffer as carbon dioxide from burning fossil... | <urn:uuid:4b204ca3-1ffd-41d3-a25c-499dfe0d1e80> | 3.578125 | 223 | Truncated | Science & Tech. | 45.582143 |
|Phosphate mine west of Senegal.|
Human activities by increasing carbon (C) and nitrogen (N) emissions are enhancing the imbalance of C and N with phosphorous (P) in Earth’s systems. Researches of the Global Ecology Unit CREAF-CSIC-UAB have conducted an study to estimate the past, present and future N:P ratios of the e... | <urn:uuid:fcbe7187-7de2-4eee-8587-0d39c427e522> | 2.75 | 1,314 | Knowledge Article | Science & Tech. | 39.438065 |
Relevance of red fluorescence in coral reef fishes
This is our official "red fluorescence in reef fish" site
The colourfulness of marine fish can only be seen in shallow water, because water absorbs very short (UV) and long (red) within a distance of a few meters. This only leaves intermediate wavelengths (blue-green) ... | <urn:uuid:094c9950-b3ab-4700-a1a3-715c6cbdafb0> | 3.25 | 400 | Knowledge Article | Science & Tech. | 47.565 |
As a science teacher I can tell you that people find science scary. Perhaps you already knew that. They think it is something they “can’t do” or “don’t get.” They may say they do not have a scientific brain. I can also tell you that these are entirely untrue. Real world, personally accessible examples, instead of theor... | <urn:uuid:3d5cb4a0-cc70-4468-8acc-01834fec2dd2> | 3.234375 | 788 | Personal Blog | Science & Tech. | 45.628184 |
Leaf venation is a pervasive example of a complex biological network, endowing leaves with a transport system and mechanical resilience. Transport networks optimized for efficiency have been shown to be trees, i.e., loopless. However, dicotyledon leaf venation has a large number of closed loops, which are functional an... | <urn:uuid:b332edce-f093-4166-bb00-d1fd5c5cf05b> | 3.03125 | 287 | Academic Writing | Science & Tech. | 35.15046 |
Using Lasers To Find Submarines
Check out this story about how a scientist from the Naval Research Laboratory is investigating the use of lasers for finding or communicating with submerged submarines:
The shock wave created by either method can travel several miles and can be used for several purposes. One would be for... | <urn:uuid:41320ac5-c828-49c2-aaaa-eaab02acf06e> | 2.8125 | 429 | Personal Blog | Science & Tech. | 37.873015 |
Popper extends JUnit to allow you to specify theories. Theories are assertions about your code's behavior that may be true over (potentially) infinite sets of input values. You might find it useful to pose theories about your Groovy code too.
Let's consider how we might test the following class (example taken from the ... | <urn:uuid:ed659862-a4a3-4759-b310-72d958a7b9f8> | 3.0625 | 691 | Documentation | Software Dev. | 49.489139 |
Project: NEBO (Northeastern Bentho-pelagic Observatory)
The goal of NEBO is to make repeated surveys to designated "sentinal sites" seasonally over the course of three years. These sites were selected for their diverse physical and biotic characteristics, importance to fisheries, and potential to learn about ecosystem ... | <urn:uuid:5b8641fb-fc53-4c82-b13b-1d74c9908e6b> | 3.21875 | 247 | Knowledge Article | Science & Tech. | 20.702619 |
I need to name this polynomial. y=(x+4)(x+1)(x-3)
Would it be a cubic polynomial because it's all multiplying, or would it be a linear?
Please explain it to me..
The terms "cubic" and "linear" refer to the form of a polynomial that is a sum of monomials. A monomial is a coefficient multiplied by some power of x. Theref... | <urn:uuid:c2ac0d6e-85a1-48bf-8317-2c117bc19fec> | 2.6875 | 165 | Q&A Forum | Science & Tech. | 66.331059 |
Ian Musgrave has just posted an excellent article on the poor design of the vertebrate eye compared to the cephalopod eye; it’s very thorough, and explains how the clumsy organization of the eye clearly indicates that it is the product of an evolutionary process rather than of any kind of intelligent design. A while ba... | <urn:uuid:e4709eef-7ae8-497d-8486-168e102873da> | 3.296875 | 1,484 | Personal Blog | Science & Tech. | 22.071308 |
Diatoms can be found living in a wide variety of extreme environments, including ancient Antarctic Ice. Some believe they may even exist on Europa and in interstellar dust. The above diatom, Surirella, was collected from the alkaline and hypersaline Mono Lake. Originally uploaded in Microbial Life.
Image 2705 is a 205 ... | <urn:uuid:7cf69801-eb56-4136-b0c9-ae82dce2cefc> | 3.21875 | 140 | Truncated | Science & Tech. | 33.850476 |
The mysterious blue reflection nebula found in catalogs as VdB 152
or Ced 201 really is very faint.
It lies at the tip of the long
dark nebula Barnard 175 in a
dusty complex that has also been called
The cosmic apparitions are
nearly 1,400 light-years away along the northern Milky Way
in the royal constellation Cepheus... | <urn:uuid:7eedaef2-9f0f-44e1-88dc-10ad7f2d004a> | 3.328125 | 219 | Knowledge Article | Science & Tech. | 47.316793 |
probably heard of Carbon-14, also written C14.
C14 is a radioactive form of carbon produced in the
outer atmosphere when cosmic rays transform atoms of regular nitrogen. Being
radioactive and thus unstable, C14 "decays" at
a certain predictable rate. Its decay rate is such that half of any given quantity of it
will con... | <urn:uuid:78dbd99a-6b82-4cac-83cb-0da5ef4a6622> | 3.59375 | 1,020 | Knowledge Article | Science & Tech. | 61.348792 |
Ecological Footprint (EF) measures how fast we consume resources and generate wastes compared to how fast nature can absorb our waste and generate new resources. In this way the EF indicates what we need to do in order to live in balance with natural systems. It can be calculated for an activity, an individual, a famil... | <urn:uuid:ad6ab5ad-85ec-41f5-a154-dcd9dc5a6b54> | 3.5625 | 187 | Knowledge Article | Science & Tech. | 25.418405 |
Physics at Fermilab
main page | accelerators | collider experiments | neutrino physics | technology
computing | theory | astrophysics | discoveries at Fermilab
Details about Fermilab's accelerators
To create the world's most powerful particle beams, Fermilab uses a series of accelerators. The diagram and photos show th... | <urn:uuid:fe92a6ae-3bba-4c5f-8f43-fa51fae837bf> | 3.890625 | 694 | Knowledge Article | Science & Tech. | 37.643179 |
A team of astronomers at the Harvard-Smithsonian Center for Astrophysics discovered a new earth-sized planet just 40 light-years from earth that is completely covered in water. Though I immediately imagine a web-toed Kevin Costner wandering around looking for dirt to trade, Zachory Berta, who was part of the team that ... | <urn:uuid:f35a6ab4-253d-474d-b13e-cac666714811> | 3.859375 | 301 | Listicle | Science & Tech. | 53.57175 |
Scientists recently made an eye-opening discovery at Golden Gate Highlands National Park in South Africa. Several nests of Massospondylus, a 20ft (6m) long sauropod, including fossilized eggs and hatchling footprints, is increasing scientists knowledge of the nesting, breeding and mothering habits of dinosaurs. The din... | <urn:uuid:559fb1cd-032a-4c24-a84a-0b586c488ddd> | 3.03125 | 197 | Content Listing | Science & Tech. | 41.409159 |
Posted by y912f on Friday, January 16, 2009 at 8:39pm.
you are told that
tan s = + 6.86874..
so by the CAST rule, the angle must be in the I or III quadrant.
but our domain is from 0 to pi/2 which is only quadrants I and II.
and since they are using radians to describe the domain, we should also answer in radians.
set ... | <urn:uuid:942bed59-c8d1-435c-81ab-50d6fcb3faf8> | 2.890625 | 586 | Q&A Forum | Science & Tech. | 89.181357 |
Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °
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Topic review (newest first)
Thank you very much. It was very helpful and clear. And easy, what's the most important :-)
Say your lines look like this: Y
I need to make line... | <urn:uuid:59ace767-c48b-434e-9ca1-52af392e4383> | 2.984375 | 167 | Comment Section | Science & Tech. | 78.721667 |
Why can't one of our space telescopes, capable of seeing galaxies many light years away, be pointed at the site of the moon landings where one can assume there are some remnants from the visits. Would this definitively prove to any sceptics that humans landed on the moon? It would be a nice way to celebrate the 40th an... | <urn:uuid:e000bb13-3b0f-44af-b884-aee057a0d01a> | 3.25 | 114 | Truncated | Science & Tech. | 46.18373 |
Can we do that here since we don't have tons of black sand?
Here is a little excerpt from another article...http://www.stuff.co.nz/stuff/thepress/4017784a11.html
New solar cells developed by Massey University don't need direct sunlight to operate and use a patented range of dyes that can be impregnated in roofs, window... | <urn:uuid:42b3821d-4b32-462b-bd2d-bec0175ac03e> | 2.703125 | 186 | Comment Section | Science & Tech. | 51.305 |
CSIRO: warming up to five degrees by 2070
State of the climate report casts gloomy predictions
Even an La Niña event and cool weather in Australia in 2010 and 2011 haven’t reversed the overall long-term trend to a warmer globe, according to Australia’s latest State of the Climate report.
The report was assembled by Aus... | <urn:uuid:d845465e-f018-47fd-800e-c9dfd99c504f> | 3.0625 | 1,121 | Comment Section | Science & Tech. | 51.776912 |
If it wasnt carbonated water here is two possible explanations:
If it wasn't carbonated, it's probably the supercooling effect. This is much the same as superheating, where water doesn't boil even though it's at 100°C. If the insides of the bottles were smooth enough and the water pretty pure (mineral water should do j... | <urn:uuid:175d1f5e-56d6-4bfd-8b4e-418c6b8a50c5> | 2.96875 | 570 | Comment Section | Science & Tech. | 56.509716 |
Short for Microsoft Foundation Classes, a large library of C++ classes developed by Microsoft. For Windows -based applications written in C++, MFC provides an enormous headstart. One of the hardest parts of developing C++ programs is designing a logical hierarchy of classes. With MFC, this work has already been done.
M... | <urn:uuid:73207a99-e260-403f-a14a-ddf7a2798bea> | 2.890625 | 91 | Knowledge Article | Software Dev. | 51.222143 |
||A general servlet.|
A servlet is a key portion of a server-based application that implements
the semantics of a particular request by providing a response.
This abstract class defines servlets at a very high level.
Most often, developers will subclass HTTPServlet or even Page.
Servlets can be created once, then used ... | <urn:uuid:fab80a78-0723-4bb2-b94c-9b8a9be38bf1> | 3.484375 | 553 | Documentation | Software Dev. | 46.195278 |
Family: Lycaenidae, Gossamer-wing Butterflies view all from this family
Description The Brown Elfin (Callophrys augustinus) is butterfly of the Lycaenidae family. It is found in from Newfoundland north and west through the northern United States and the prairie provinces to Alaska. To the south it ranges in Appalachian... | <urn:uuid:8f44d01c-c5e8-41a5-a08f-f27b381a41f5> | 2.6875 | 340 | Knowledge Article | Science & Tech. | 46.108738 |
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Mon March 18, 2013
Let's take a roadtrip to Mars
What would it take to get humans to Mars?
For the last seven months, NASA's rover 'Curiosity' has crawled all over the planet's dusty red Gale Crater.
As it explores, the rover has sent back all sorts of information to Earth for f... | <urn:uuid:4227e4f4-08fe-4b74-a699-224db53394f0> | 3.0625 | 202 | Truncated | Science & Tech. | 50.336364 |
[Numpy-discussion] Truth value of an array
Fri Apr 18 06:11:37 CDT 2008
In mathematics, if I compare two function, it means that I compare on
all its "coordinates". If I say "f < g" I mean "f(x) < g(x) for all
The same holds for a vector, if I write "v == w" I mean "v[i] == w[i]
for all i".
How come this doesn't work i... | <urn:uuid:a4ef3610-dc3b-456f-85b2-cba15f8d45c3> | 2.859375 | 185 | Comment Section | Software Dev. | 76.748571 |
The two species P. pemaquidensis and P. aestuarina have a surface coat that consists of tiny discrete bodies termed "glycostyles". The glycostyles are organic (not mineralized), cover the entire cell surface, and appear to be formed in the Golgi. They may sometimes appear to be hexagonal in outline, and are seldom tall... | <urn:uuid:c28f992a-cfb5-40b1-a856-d6b856ee4f1e> | 3.5625 | 422 | Knowledge Article | Science & Tech. | 25.060395 |
As much as any biome or global ecoregion is a challenge to group, differentiate or otherwise generalize, the chaparral or Mediterranean woodlands (scrubland/heathland/grassland) biome may be the best example such classification difficulties. There’s perhaps more general agreement regarding the features of this biome, e... | <urn:uuid:25710142-9e32-420e-b000-9d4875de38e6> | 3.9375 | 834 | Personal Blog | Science & Tech. | 26.414638 |
Accessing an element in document
Every HTML document is actually present in layers. According to the hierarchy, we can reach any of them as per our use. Beginning with some concepts, we will eventually move to a simple example to illustrate those points.
It helps us to access any particular ID present on the page direc... | <urn:uuid:61ccc462-f8a0-4d17-93cd-79059831a30b> | 3.671875 | 669 | Documentation | Software Dev. | 52.274378 |
The user-mode kernel is a port of the Linux kernel to the Linux system call interface rather than to a hardware interface. The code that implements this is under the arch interface, which is the internal kernel interface which separates architecture-independent code from architecture-dependent code. This kernel is a fu... | <urn:uuid:ad107903-e5b9-4abe-8e9b-3c40caa5d0c2> | 2.84375 | 137 | Documentation | Software Dev. | 32.190625 |
In 1985 it was discovered that Pluto has an atmosphere, albeit a very tenuous one. Pluto's atmosphere arises only when it approaches closer to the Sun during its highly eccentric, 248 earth years long orbit. The atmosphere likely consists of nitrogen, methane, and carbon monoxide, which sublimate directly from Pluto's ... | <urn:uuid:58c8ed2a-9fb8-4aa0-9e4a-1dc26bb693dc> | 3.4375 | 118 | Knowledge Article | Science & Tech. | 41.76391 |
But I have a confession to make: I was too optimistic.
My projections about increasing global temperature have been proved true. But I failed to fully explore how quickly that average rise would drive an increase in extreme weather.
In a new analysis of the past six decades of global temperatures, which will be publish... | <urn:uuid:bb008525-b4ef-4677-aba8-6d0941b32a9f> | 3.109375 | 910 | Nonfiction Writing | Science & Tech. | 45.5905 |
Re: Energy and global warming
Reply to Paul Ward
Many thanks again for helping to get my ideas sorted out.
The anthropogenic energy, after use by mankind, enters the Earth?s atmospheric system as heat, ie. as increased kinetic energy of the air molecules. This, of course, does not cause internal molecular excitation, a... | <urn:uuid:eb02ae4f-a569-4de4-86df-c61661a0b5c0> | 2.6875 | 531 | Comment Section | Science & Tech. | 44.860723 |
public member function
void push ( const T& x );
Adds a new element at the end of the queue
, after its current last element. The content of this new element is initialized to a copy of x
This member function effectively calls the member function push_back
of the underlying container object.
- Value to be copied to the... | <urn:uuid:ea786362-8f17-4750-a59a-3a274c1e3b32> | 3.3125 | 199 | Documentation | Software Dev. | 53.387949 |
Hendrik Antoon Lorentz
Lorentz, Hendrik Antoon (hĕnˈdrək änˈtōn lōˈrĕnts) [key], 1853–1928, Dutch physicist, a pioneer in formulating the relations between electricity, magnetism, and light. He was one of the first to postulate the existence of electrons. On this he based his explanation of the Zeeman effect (a change ... | <urn:uuid:31d2ea58-a7cb-4929-8c06-5c288aa79d06> | 3.640625 | 380 | Knowledge Article | Science & Tech. | 56.685207 |
Posted Monday, January 14, 2008
There are some 5,700 species of amphibians on the planet, and over the last twenty years, about a third of those species have experienced some serious decline. We're talking about extinctions and rapid declines too large to be explained away by natural cycles. Scientists say these popula... | <urn:uuid:2e0deab1-2df4-4fce-b7ca-ed901c153ecc> | 2.8125 | 122 | Truncated | Science & Tech. | 40.176333 |
IMAGINE weighing yourself with a watch. In theory, that's now possible thanks to a clock with a tick that depends on the mass of a single atom. More practically, the clock could help efforts to redefine the kilogram in terms of fundamental constants.
The most accurate clocks are atomic clocks, which measure how often e... | <urn:uuid:e0971673-5364-4414-b9bb-37866e2965a9> | 3.71875 | 525 | Truncated | Science & Tech. | 52.028804 |
The PostgreSQL source code is stored and managed using the Git version control system. A public mirror of the master repository is available; it is updated within a minute of any change to the master repository.
Our wiki, http://wiki.postgresql.org/wiki/Working_with_Git, has some discussion on working with Git.
Note th... | <urn:uuid:f4c58a25-62c1-464d-9be3-8b98fc8b1504> | 2.78125 | 447 | Tutorial | Software Dev. | 57.733611 |
Systematics of Acacia
Our aim is to discover the phylogenetic relationships within the Australian Acacia clade in order to produce a predictive, phylogeny-based classification.
Acacia in the strict sense (formerley Acacia subgenus Phyllodineae) is the second largest genus of legumes (after Astragalus) and the largest g... | <urn:uuid:5cde77d3-582a-433b-b697-4790c78cd9d4> | 3.359375 | 1,709 | Academic Writing | Science & Tech. | 46.079683 |
There was a minor kerfuffle in recent days over claims by Tim Flannery (author of “The Weather Makers”) that new information from the upcoming IPCC synthesis report will show that we have reached 455 ppmv CO2_equivalent 10 years ahead of schedule, with predictable implications. This is confused and incorrect, but the d... | <urn:uuid:ca39979d-051f-48f3-9272-62b94fdab467> | 3.015625 | 797 | Comment Section | Science & Tech. | 60.367418 |
A different approach to Solar thermal electricity generation is the solar pond which uses a large salty lake as a kind of flat plate collector. If the lake has the right gradient of salt concentration ( salty water at the bottom and fresh water at the top) and the water is clear enough solar energy is absorbed on the ... | <urn:uuid:1f7122d9-1492-4e65-aaa7-59d08943e341> | 3.828125 | 809 | Knowledge Article | Science & Tech. | 46.646091 |
Stenoplax heathiana Berry, 1946
|Stenoplax heathiana, San Simeon, CA. Head and plate 1 are to the left|
|(Photo by: Dave Cowles, 1997)|
How to Distinguish from Similar Species: The wide plate 8 distinguishes from most. Stenoplax chitons are narrower than most chitons for their length.
Geographical Range: Mendocino Coun... | <urn:uuid:f6449502-c1a5-4c48-b837-24277634f24d> | 2.90625 | 241 | Knowledge Article | Science & Tech. | 50.074837 |
The moving Earth.
The Moving Earth
Even though we cannot sense it, the Earth is constantly in motion. In
fact, the Earth isn't just moving, it's moving really fast! The fact
that we do not feel as if we are moving led people to believe that the
Earth is the stationary center of the universe for centuries.
Eventually, a... | <urn:uuid:5e629255-cddf-4f49-ac12-ad91c636ad49> | 3.171875 | 546 | Content Listing | Science & Tech. | 71.905916 |
If we suppose Saturn is a perfect sphere, the shadows are the intersections of a sphere and a set of concentric elliptical cylinders formed by parallel lines passing through the rings. (The lines converge to the Sun.)
These can be found by solving the equations
, resulting in space curves with parametric form
being the... | <urn:uuid:d746ee41-b180-471f-86ad-d89efa851fad> | 3.765625 | 350 | Knowledge Article | Science & Tech. | 65.167738 |
K-type main-sequence star
A K-type main-sequence star (K V), also referred to as an orange dwarf or K dwarf, is a main-sequence (hydrogen-burning) star of spectral type K and luminosity class V. These stars are intermediate in size between red M-type main-sequence stars and yellow G-type main-sequence stars. They have ... | <urn:uuid:dd3904bc-55ec-4ff9-8d50-54c45a4e11b4> | 3.515625 | 763 | Knowledge Article | Science & Tech. | 71.982629 |
- Bejan, A., The process of melting by rolling contact,
Int. J. Heat Mass Transf. (UK), vol. 31 no. 11
pp. 2273 - 83 [0017-9310(88)90159-7] .
(last updated on 2007/04/08)
Describes the fundamentals of the heat transfer melting process occurring in the narrow rolling contact region between a body of phase-change materia... | <urn:uuid:2a4e8aeb-fc96-4deb-bd4a-f86a965dffe0> | 2.96875 | 297 | Academic Writing | Science & Tech. | 48.018022 |
What is a modular build?
- A modular build consists of a set of modules,
- each of which can be built separately.
- Each module's build produces some output (a directory tree).
- A module may depend on the outputs of other modules, but it can't reach inside the others' build trees.
- There is a common interface that ea... | <urn:uuid:36a32f22-12be-46e2-8b0f-88c71c3aaa8d> | 3.046875 | 1,166 | Personal Blog | Software Dev. | 51.23712 |
The Solar System consists of the Sun and those celestial objects bound to it by gravity: the eight planets and five dwarf planets, their 173 known moons, and billions of small bodies. The small bodies include asteroids, icy Kuiper belt objects, comets, meteoroids, and interplanetary dust.
The charted regions of the Sol... | <urn:uuid:fc4cf85b-c5fb-4fae-bee5-6673e37e4493> | 4.03125 | 438 | Knowledge Article | Science & Tech. | 59.807571 |
|Home | X-Objects | Stars | Habitability | Life ||
MPG/ESO 2.2-m Telescope,
La Silla Observatory, ESO
Larger false-color image of the ACO or Abell 3627
supercluster of galaxies, which lies near the core
of the Great Attractor.
A huge volume of space that includes the Milky Way
and superclusters of galaxies is no longer... | <urn:uuid:00bede26-864e-49b8-adcd-fbf952ef424d> | 2.796875 | 1,772 | Knowledge Article | Science & Tech. | 38.94363 |
Explosions at units 1 and 3 occurred due to similar causes. When an incident occurs in a nuclear power plant such as a loss of coolant accident or when power is lost, usually the first response is to depressurize the reactor. This is done by opening pressure relief valves on the reactor vessel. The water/steam mixture ... | <urn:uuid:b0305f22-d522-4f94-8d85-855e1d06d7c9> | 4.0625 | 1,003 | Knowledge Article | Science & Tech. | 43.606104 |
A new technique measures each unit of charge that accumulates on a submerged plastic bead, unprecedented resolution for a liquid-solid interface and an experiment that may benefit a variety of commercial devices and processes.
An improved version of a technique for folding tiny objects from a thin membrane uses a magne... | <urn:uuid:154febc2-dc47-44ae-9f7a-cad33f9cf992> | 3.046875 | 269 | Content Listing | Science & Tech. | 55.040749 |
The U.S. central plains region -- nicknamed Tornado Alley -- suffers the highest frequency of tornadoes in the world [source: Tarbuck]. Many of these twisters leave death, injury and destruction in their wake, but one stands in a class by itself.
Sweeping out from southeastern Missouri on March 18, 1925, the Tri-State ... | <urn:uuid:0508acaf-7d67-441b-bfca-80755daa8ada> | 3.515625 | 395 | Knowledge Article | Science & Tech. | 61.557089 |
WHAT IS PANTHER? The PANTHER device uses immune cells altered to act as detectors of dangerous biological agents. The device takes in air, runs it past the cells, which are gathered into groups, each designed to react to specific agent. The cells, which are engineered to respond to a specific pathogen, release photons ... | <urn:uuid:335794a8-f210-4de5-bb38-7c14582e8dd9> | 3.15625 | 144 | Knowledge Article | Science & Tech. | 41.385 |
OLR - Outgoing Longwave Radiation
ISR- Incoming Shortwave Radiation
TOA- Top Of the Atmosphere
GCC- Global Cloud Cover
GHG- GreenHouse Gas
CO2- Carbon Dioxide
PDO- Pacific Decadal Oscillation
AMO- Atlantic Multidecadal Oscillation
IOD- Indian Ocean Diphole
QBO- Quasi Biennial Oscillation
You have probably heard every s... | <urn:uuid:6d9efad2-e27d-45ce-ba0c-b2d0f6cfd3d9> | 2.828125 | 1,389 | Comment Section | Science & Tech. | 57.083464 |
For educational purposes only; do not review, quote or abstract:--
Information on the basics of Entomology
An Introduction To The Study of Entomology 1
Kingdom: Animalia, Phylum: Arthropoda
Subphylum: Hexapoda: Class: Insecta: Order: Mallophaga
Please CLICK on underlined categories to view and on included illustrations... | <urn:uuid:e4d246b1-8bfd-4975-ab28-b20a607b3c90> | 3.828125 | 539 | Knowledge Article | Science & Tech. | 36.142028 |
Chatham / Challenger Project
Zoning the ocean into areas that reflect biodiversity for management purposes is a complex task. To date, progress has been made using physical oceanic data, but information about sea-bed ecology is largely missing.
The Chatham / Challenger project will map and compare habitats and diversit... | <urn:uuid:60203483-eeb4-4b06-a199-a3b19a3b9c2e> | 3.140625 | 527 | Knowledge Article | Science & Tech. | 36.302906 |
by Lindsey's channel
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Tags: chlorine atoms, hydrogen atoms, metal atoms
A covalent(?) bond is a strong bond between two non metal atom. It consist of a shared pair of electron. A covalent(?) bond can be represented by a straight line or dot in ___. Hydrogen and Chlorine can each form one covalent(?) oxyge... | <urn:uuid:fdd17b56-9452-4b75-97da-1512c4b52fce> | 3.671875 | 274 | Truncated | Science & Tech. | 61.284953 |
|Scientific Name:||Sousa chinensis (eastern Taiwan Strait subpopulation)|
The eastern Taiwan Strait (ETS) subpopulation of Indo-Pacific humpbacked dolphins was only recently discovered (Wang et al. 2004a). Dolphins from this subpopulation have pigmentation that differs consistently from that of nearby subpopulations al... | <urn:uuid:bd2a853f-92db-469b-8bec-aa0d1f68ab08> | 2.9375 | 3,071 | Knowledge Article | Science & Tech. | 62.42101 |
When you crumple up your gift-wrapping paper this year, you'll create a shape so complex that it has defeated the most sophisticated computers
WHEN you throw out your Christmas wrapping paper this year, don't tell Narayanan Menon and Anne Dominique Cambou. You'll be throwing away examples of their painstaking research.... | <urn:uuid:cae3b82b-f7e3-4fd3-9877-3bbd305eb51c> | 3.875 | 1,434 | Comment Section | Science & Tech. | 52.06313 |
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Session 27 - Gravitational Lensing & Dark Matter.
Oral session, Monday, January 13
Microlensing events have been detected so far in photometric surveys, from the variation in the total magnification of two images of the source star as the lensing object passes by. These events may also b... | <urn:uuid:22b8d8ae-ff30-4b12-9da1-728a8d4664d7> | 2.859375 | 418 | Academic Writing | Science & Tech. | 30.211577 |