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There's a lot of jargon thrown around when you talk about Test Driven Development. Here's a list of common terms used in TDD (and specifically in Test::Unit) that you should know.
Test Method - A method that tests a specific feature. Each of the methods starting with test are the test methods. Test methods manipulate t... | <urn:uuid:df75db9c-0214-461b-88af-da4768ce4af7> | 3.71875 | 609 | Documentation | Software Dev. | 63.055931 |
Science Fair Project Encyclopedia
A microscope (Greek: micron = small and scopos = aim) is an instrument for viewing objects that are too small to be seen by the naked or unaided eye. The science of investigating small objects using such an instrument is called microscopy, and the term microscopic means minute or very ... | <urn:uuid:6cc4e9b8-e081-4792-89f0-42fd25ba3f89> | 3.59375 | 1,656 | Knowledge Article | Science & Tech. | 24.224756 |
Science Fair Project Encyclopedia
The Reynolds number is the most important dimensionless number in fluid dynamics and provides a criterion for determining dynamic similarity. Where two similar objects in perhaps different fluids with possibly different flowrates have similar fluid flow around them, they are said to be... | <urn:uuid:45201c5e-d4a4-4337-b995-78d97efa53c1> | 4.25 | 696 | Knowledge Article | Science & Tech. | 33.723167 |
White Guinea Pigs
Name: Yvonne K.
If two white guinea pigs produced only white
offspring. Which gene is dominant and which is recessive and why?
It's probably recessive since only white are produced, however if the white
guinea pigs are both homozygous dominant they would also produce only white
offspring. So you need ... | <urn:uuid:10de616e-ca66-4c3d-a083-e0dbe80af397> | 3.109375 | 98 | Knowledge Article | Science & Tech. | 38.294 |
The Evolving World Of Technology: The History And Future
Technology in today’s world is continuously evolving as time goes by. It involves the use of certain devices which are tactfully programmed to perform specific tasks in order to help people make their jobs easier and faster. And for the last 100 centuries of huma... | <urn:uuid:884eb9ea-1ff4-4f79-80ce-bcefef8fae4d> | 2.890625 | 595 | Nonfiction Writing | Science & Tech. | 34.276563 |
Ascraeus Mons Lava Flow
Figure 1. Flow margin and channel outlines of the Ascraeus Mons flow. Flow sections (proximal, medial, distal), distances from inferred source area, and previous topography (dome, crater) are labeled. Outline is of a mosaic of non map-projected THEMIS daytime infrared images. (b) Locations of TH... | <urn:uuid:60107e78-8794-4f62-95d9-b4f0346d0d9c> | 3.1875 | 841 | Academic Writing | Science & Tech. | 48.094065 |
Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.
March 15, 1996
The McMath-Pierce Solar Observatory
Credit and Copyright: Bill Keel, University of Alabama
Explanation: This odd-looking structure si... | <urn:uuid:7a8f00cc-9a25-4c33-8fc9-a0e82c67145d> | 3.609375 | 238 | Knowledge Article | Science & Tech. | 35.568835 |
This is an excerpt from the HTML5 Solutions: Essential Techniques for HTML5 Developers book by Apress (where I'm one of the author).
It was already possible to send any kind of file from your computer to a remote server with the older
versions of HTML by using the form, and the <input type = file> in particular.
This f... | <urn:uuid:6fd5322d-70fb-4c93-b1ac-b7d3005ffbdb> | 2.96875 | 588 | Tutorial | Software Dev. | 41.074998 |
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Subject Index][Author Index]
Re: Re-emergence of lost features.
> One may wonder whether the genetic information to redisplay an old
>feature >can still be there after tens of millions of years - after all,
>unexpressed >genetic material undergo... | <urn:uuid:d6035b35-9255-4a37-acb3-9a161201b9a8> | 2.875 | 446 | Comment Section | Science & Tech. | 33.53 |
09 Dec 2008:
NASA Satellite Technology Can Monitor Natural Oil Seepage
Scientists are using NASA satellites to track natural oil slicks seeping to the surface of the world’s oceans
, providing better leads on potential sources of greenhouse gas emissions as the slicks break up and release carbon dioxide. Such natural s... | <urn:uuid:6c4572d7-23c0-4a2c-9e1e-6e5c38b08e33> | 3.640625 | 506 | Content Listing | Science & Tech. | 28.897167 |
Goats, like most hoofed mammals, have horizontal pupils. The purpose of those elongated pupils is to allow them to scan the horizon for possible predators.
When a goat’s head tilts up (to look around) and down (to munch on grass), an amazing thing happens. The eyeballs actually rotate clockwise or counterclockwise with... | <urn:uuid:7f735551-f645-4f94-8251-36fb8c505ff1> | 3.40625 | 195 | Personal Blog | Science & Tech. | 57.245112 |
This post is a joint outcome from a couple classes I took in the spring term, one of which was on two-phase fluid flow and the other of which was on scientific communication. The science communication class included a project in which we were to translate a bit of technical literature to a popular science level, and I ... | <urn:uuid:fb16d0c2-7e7d-4676-b5eb-7e5c13172a09> | 3.5 | 1,704 | Personal Blog | Science & Tech. | 45.727615 |
Question: What kind of clouds do persistent contrails create? A persistent contrail is technically a cloud, correct? And given the altitude, it would be a cirrus cloud, correct?
The reason i ask is, somebody who viewed my video (Chemtrails and Chemclouds debunked: http://tinyurl.com/cllnq45) made the point that, if con... | <urn:uuid:2937abcc-47f0-472c-933e-807c0706f5aa> | 2.703125 | 105 | Comment Section | Science & Tech. | 66.884762 |
It has long been known that in the local universe the mix of morphological types differs in different galactic environments with ellipticals and S0's dominating in the densest clusters and spirals dominating the field population (Hubble and Humason 1931). This so called density-morphology relation has been quantified b... | <urn:uuid:0d43c42c-028e-4c2f-a50b-901d99f256cd> | 2.84375 | 1,130 | Academic Writing | Science & Tech. | 40.808929 |
|Gadolinium is a component of compact disks.|
|Atomic Number:||64||Atomic Radius:||237 pm (Van der Waals)|
|Atomic Symbol:||Gd||Melting Point:||1313 °C|
|Atomic Weight:||157.2||Boiling Point:||3273 °C|
|Electron Configuration:||[Xe]6s24f75d1||Oxidation States:||3|
From gadolinite, a mineral named for Gadolin, a Finnish... | <urn:uuid:379e67b6-22f3-464a-8cb3-0bec142a8782> | 3.1875 | 604 | Knowledge Article | Science & Tech. | 27.526002 |
A recent joke on the comedy panel show 8 out of 10 cats prompted this question. I'm pretty sure the answer's no, but hopefully someone can surprise me.
If you put a person in a balloon, such that the balloon ascended to the upper levels of the atmosphere, is it theoretically possible that an orbiting satellite's (i.e. ... | <urn:uuid:4cf003cb-dfe3-4ef4-821e-3b89cda609ed> | 2.6875 | 242 | Q&A Forum | Science & Tech. | 53.470075 |
The fundamental question raised by these postulates of special relativity is how different coordinate systems (reference frames) are related, i.e., how one transforms between them. (x, y, z, t) denotes the coordinates of some event in frame S, what are the coordinates (x’, y’, z’, t’) in the frame S’ moving at the velo... | <urn:uuid:109069e1-3d04-498f-92cf-ed06f964a6e2> | 4.53125 | 333 | Knowledge Article | Science & Tech. | 43.3958 |
To get more light in a tight spot, solar panels should be three dimensional, according to a study detailed today.
Researchers at the Massachusetts Institute of Technology published a paper in the journal Energy and Environmental Science this week which found that building a solar array with panels at different angles c... | <urn:uuid:3178313e-28f0-411a-9b26-690b66323097> | 2.921875 | 117 | Truncated | Science & Tech. | 31.658382 |
This 3-D image, called an anaglyph, shows the topography of Vesta’s eastern hemisphere. To create this anaglyph, two differently colored images are superimposed with an offset to create depth. When viewed through red-blue glasses this anaglyph shows a 3-D view of Vesta’s surface. The images used to generate the two dif... | <urn:uuid:627f8f55-ffea-4d4e-b67a-52156773cf86> | 3.828125 | 569 | Knowledge Article | Science & Tech. | 41.866054 |
Using this graphic and referring to it is encouraged, and please use it in presentations, web pages, newspapers, blogs and reports.
For any form of publication, please include the link to this page and give the cartographer/designer credit (in this case Hugo Ahlenius, UNEP/GRID-Arendal)
UNEP World Conservation Monitori... | <urn:uuid:701ba308-2421-45e5-b23b-81cbfb2bd9d4> | 3.84375 | 288 | Knowledge Article | Science & Tech. | 27.484216 |
Peak oil - Dec 24
Click on the headline (link) for the full text.
Many more articles are available through the Energy Bulletin homepage
Bill McKibben, Sierra Club Magazine
Fossil fuels burned brightly in their day, but now it's time to make the leap to safer, cleaner, climate-friendly alternatives
EXPLORERS USED TO AMU... | <urn:uuid:282d9700-06f9-4ab5-93ed-80dd430f8782> | 3 | 2,363 | Content Listing | Science & Tech. | 44.885909 |
This Example describes a method to split a Text node into three new Node in a DOM document. Methods which are used for splitting of the text node in the DOM Document are described below :-
Element root = doc.getDocumentElement():-allows direct access to the root of the DOM document.
Element paragraph = (Element) root.g... | <urn:uuid:0bda1bbb-84ba-433b-b97c-315f7a2f835f> | 3.546875 | 235 | Documentation | Software Dev. | 47.67656 |
To include this story in your blog or website —
(16 Apr 2010 01:11 GMT) - The eerie glow that straddles the night time zodiac in the eastern sky is no longer a mystery. First explained by Joshua Childrey in 1661 as sunlight scattered in our direction by dust particles in the solar system, the source of that dust was lo... | <urn:uuid:570a184e-0656-4d0a-beaa-9e61b3b2f62c> | 2.984375 | 145 | Truncated | Science & Tech. | 49.389569 |
Toolchain is a collection of tools used to develop software for a certain hardware target. Toolchains are based on
particular versions of compiler, libraries, special headers and other tools. A cross-toolchain is a toolchain for
compiling binaries for different CPU architecture than the host CPU.
Scratchbox is a cross-... | <urn:uuid:b163588b-923d-4aff-86f5-5430d07bd221> | 3.421875 | 1,771 | Documentation | Software Dev. | 48.719537 |
About This Report
The goal of the
Yet Another Haskell Tutorial
is to provide a complete intoduction tothe Haskell programming language. It assumes no knowledge of the Haskell languageor familiarity with functional programming in general. However, general familiaritywith programming concepts (such as algorithms) will be... | <urn:uuid:e1febcb5-c5c0-4d7a-b000-da8c58e64195> | 3.625 | 463 | Truncated | Software Dev. | 22.931612 |
The BioWeatherMap initiative looks to uncover insight into the geographic and temporal distribution of microbial life through an distributed and volunteer environmental sensing effort. The intent is to gather environmental samples from around the world that will be DNA sequence for ongoing discovery and surveillance.
T... | <urn:uuid:7a5c1fa1-3556-42c0-9853-2cd40293399a> | 2.90625 | 232 | Knowledge Article | Science & Tech. | 27.437917 |
Atomic Number: 14
Atomic Weight: 28.0855
Discovery: Jons Jacob Berzelius 1824 (Sweden)
Electron Configuration: [Ne]3s23p2
Word Origin: Latin: silicis, silex: flint
Properties: The melting point of silicon is 1410°C, boiling point is 2355°C, specific gravity is 2.33 (25°C), with a valence of 4. Crystalline silicon has a... | <urn:uuid:3cd6c4c4-910c-4217-b209-384cd65f78ab> | 3.796875 | 990 | Knowledge Article | Science & Tech. | 49.277975 |
This is an issue of interest, in as much as carbon in the atmosphere is increasing. A friend of mine, getting her PhD out at Berkeley, wrote this to me the other day: (Talking about the IPCC)
A decade ago, they were pretty conservative about assigning certainty to things, and they continue to be, but better models and ... | <urn:uuid:e5220ad9-404a-4b78-b860-e443838426e7> | 2.703125 | 1,072 | Personal Blog | Science & Tech. | 55.898635 |
Big Questions for Astro Observatory (ASTRO 1 & 2)
In order to understand how the Universe has changed from its initial simple state following the Big Bang (only cooling elementary particles like protons and electrons) into the magnificent Universe we see as we look at the night sky, we must understand how stars, galaxi... | <urn:uuid:c0a4ebe3-cf16-4687-ae30-437e6a735a46> | 3.984375 | 216 | Knowledge Article | Science & Tech. | 23.060507 |
These reactions are explained in Maitland Jones 2nd ed., §9.1
In this four-dimensional example we show a general addition reaction: the chlorohydrin formation of E-2-pentene.
The first step is the formation of a chloronium ion, followed by the attack of water from the opposite side of the molecule. So this is an exampl... | <urn:uuid:de2609b8-5d40-43f6-ba69-fd6885495532> | 2.875 | 106 | Tutorial | Science & Tech. | 49.267807 |
Polymerase chain reaction (PCR) is now such a fundamental technique in the biotechnology laboratory that L. A. Pray wrote in 2004: "PCR is to biology what petroleum is to transportation." PCR is a basis for multiple ways — ranging from DNA fingerprinting and sequencing to mutagenesis — to analyze and detect nucleic aci... | <urn:uuid:c1cee28c-fe61-4aa3-80a0-26bb3fb74588> | 3.609375 | 355 | Knowledge Article | Science & Tech. | 32.072909 |
Ernest D. Courant
Simply begin typing or use the editing tools above to add to this article.
Once you are finished and click submit, your modifications will be sent to our editors for review.
particle accelerator development
...required—the largest weighs approximately 40,000 tons. A means of increasing the energy with... | <urn:uuid:752fd2d2-7440-4432-9adb-4601e1c45661> | 3.328125 | 146 | Knowledge Article | Science & Tech. | 49.882193 |
New Zealand Mudsnail (Potamopyrgus antipodarum)
New Zealand mudsnails found in the Duluth-Superior Harbor.
New Zealand mudsnails on a penny to show size
Species and Origin: A tiny snail that reproduces asexually. Native to New Zealand, it was accidentally introduced with imported rainbow trout in Idaho in the 1980s and... | <urn:uuid:43f93a05-6a83-4f99-9130-27f4f0d1145a> | 3.609375 | 363 | Knowledge Article | Science & Tech. | 45.169906 |
The wealth of the waters around the Falkland Islands is well documented with regard to fisheries, as well as being a world hot-spot for many seabird species. However, little is known about the relative importance of Falkland Islands' waters for marine mammals. There are approximately 25 species occurring in Falkland Is... | <urn:uuid:46d951a1-93bc-40fe-9e26-1e1869979db0> | 3.375 | 1,968 | Knowledge Article | Science & Tech. | 31.84269 |
The intrinsic angular momentum of a particle is known as its spin. The fermions all have spin half, whereas the bosons have spin one. The component of the spin in the direction of motion of a particle is called helicity. This means that the fermions can have helicity .
Massless particles may exist in just one helicity ... | <urn:uuid:c0e6b60c-6e43-469d-9714-b43ef10f8e2f> | 3.859375 | 193 | Knowledge Article | Science & Tech. | 36.566083 |
A silicon chip levitates individual atoms used in quantum information processing. Photo: Curt Suplee and Emily Edwards, Joint Quantum Institute and University of Maryland. Credit: Science.
These advances could enable the creation of immensely powerful computers as well as other applications, such as highly sensitive de... | <urn:uuid:42277280-ecde-41c4-82b7-e96e19e19c19> | 3.671875 | 1,582 | Content Listing | Science & Tech. | 41.220231 |
Oh boy! It’s time for the last law.
Newton’s Third Law of Motion states that for every action there will be an equal and opposite reaction. In other words:
Newton’s Third Law of
Motion Cake: If you push cake, it pushes back.
Now that may seem like a weird idea. How can cake push? It doesn’t even have arms.
Well, let’s ... | <urn:uuid:725613bc-1f7f-4051-aade-0387799f262e> | 3.3125 | 1,111 | Personal Blog | Science & Tech. | 76.014309 |
Perl 6 Basics Tablet: Revision 9
1st law of language redesign: Everyone wants the colon for their particular syntax.
Basics doesn't mean here easy but fundamental. Which mostly translates to how to format and reformat data (numbers, strings and more).
Please note that any Perl 6 source code is treated as unicode by def... | <urn:uuid:3565f3c6-73c5-4fb6-a643-7ce8d08429b3> | 3.125 | 466 | Documentation | Software Dev. | 53.9559 |
|Feb23-04, 02:11 PM||#35|
Blog Entries: 27
In condensed matter physics, the ground state of metals at T=0K corresponds to what is known as the "vacuum state" in quantum field theory. In this configuration, the states below the Fermi energy is completely occupied, while the state above the Fermi energy are completely em... | <urn:uuid:46d1b657-a76a-4cea-9333-1bfcbe6eacad> | 3.03125 | 1,014 | Comment Section | Science & Tech. | 46.445549 |
One natural disaster we don’t have to worry about in Texas is volcanoes, and after looking at these photos of Mount Etna in Italy we can be glad of that.
Mount Etna rises about two miles above sea level on the island of Sicily and regularly erupts. The most recent series of eruptions began during early on February 19, ... | <urn:uuid:4c5fdd2e-9a21-4682-a777-6fb031843c1b> | 3.046875 | 271 | Personal Blog | Science & Tech. | 42.030563 |
Back in September 2010, astronomers announced the discovery of a remarkable and exciting planet: it was three times our mass (high, but far closer to Earth conditions than the super-Jupiters usually found) and orbiting in the "Goldilocks zone" of its star… which meant that it could possibly have liquid water on its sur... | <urn:uuid:e746e8a3-48fc-47bf-a3ec-06c558379380> | 3.21875 | 2,185 | Personal Blog | Science & Tech. | 56.788651 |
The reference count is important because today's computers have a finite (and often severely limited) memory size; it counts how many different places there are that have a reference to an object. Such a place could be another object, or a global (or static) C variable, or a local variable in some C function. When an o... | <urn:uuid:3afbd592-9978-46ff-9110-b54b16fe12e7> | 3.375 | 568 | Documentation | Software Dev. | 38.292596 |
Page:Popular Science Monthly Volume 44.djvu/697
THE ICE AGE AND ITS WORK.
By ALFRED K. WALLACE, F. R. S.
ERRATIC BLOCKS AND ICE-SHEETS.
IT is little more than fifty years ago that one of the most potent agents in modifying the surface features of our country was first recognized. Before 1840, when Agassiz accompanied B... | <urn:uuid:24ad9b3d-fe15-40e4-88a5-e29c918cbcbf> | 3.34375 | 567 | Truncated | Science & Tech. | 53.910213 |
Comprehensive DescriptionRead full entry
BiologyInhabits coastal waters, mostly around coral reefs. Usually seen well above the bottom, frequently in aggregations. Young individuals are usually found over weed beds. Feeds mainly at night (Ref. 9987). Feeds on a combination of plankton and benthic animals including fish... | <urn:uuid:ef6433f4-e429-4b0f-93df-652b52e0ee39> | 2.890625 | 141 | Knowledge Article | Science & Tech. | 46.401912 |
Benthic disturbance by fishing gear in the Irish Sea: a comparison of beam trawling and scallop dredging
Kaiser, M.J., Hill, A.S., Ramsay, K., Spencer, B.E., Brand, A.R., Veale, L.O., Prudden, K., Rees, E.I.S., Munday, B.W., Ball, B. and Hawkins, S.J. (1996) Benthic disturbance by fishing gear in the Irish Sea: a compa... | <urn:uuid:255b7497-124e-4fd2-be8a-dfef39e777e5> | 2.78125 | 807 | Academic Writing | Science & Tech. | 68.633256 |
Difference b/w int const * and const int *
please will yu help me to understand the difference b/w int const*p and
const int *p and why do we use them means what are the significance of these ??
Last edited by deep725; 02-07-2004 at 02:13 PM.
int const * <--- const pointer
const int * <-- pointer to const
without borin... | <urn:uuid:4feb265c-720a-4592-8873-1f4df9d71b24> | 3.25 | 307 | Comment Section | Software Dev. | 75.678746 |
Why Earthquakes Are Hard to Measure
Earthquakes are very hard to measure on a standard scale of size. The problem is like finding one number for the quality of a baseball pitcher. You can start with the pitcher's win-loss record, but there are more things to consider: earned-run average, strikeouts and walks, career lo... | <urn:uuid:5b9329fd-3372-4066-a25e-a3eea0c559a7> | 4.09375 | 1,052 | Knowledge Article | Science & Tech. | 57.906409 |
Web standards checklist
The term web standards can mean different things to different people. For some, it is 'table-free sites', for others it is 'using valid code'. However, web standards are much broader than that. A site built to web standards should adhere to standards (HTML, XHTML, XML, CSS, XSLT, DOM etc) and pu... | <urn:uuid:11120f16-e88b-4acb-9248-06c3b22cbed5> | 2.875 | 1,226 | Tutorial | Software Dev. | 59.581169 |
Some black holes may be so ancient that they predate the stars themselves, forming instead in the chaotic first moments after the Big Bang. There might even be some black holes out there from the universe before the Big Bang.
This is one of those stories with a ton of "ifs" and some fairly daring leaps of logic, but no... | <urn:uuid:54b31f49-279e-409e-a26a-9627b64609a7> | 3.84375 | 627 | Nonfiction Writing | Science & Tech. | 48.856633 |
What is Marine Biology?
Simply put, marine biology is the study of life in the oceans and other saltwater environments such as estuaries and wetlands. All plant and animal life forms are included from the microscopic picoplankton all the way to the majestic blue whale, the largest creature in the sea—and for that matte... | <urn:uuid:5070f1e8-5b0f-41d8-9980-731eb3faafd6> | 3.6875 | 2,358 | Knowledge Article | Science & Tech. | 22.14149 |
LLVM (formerly Low Level Virtual Machine) is a compiler infrastructure written in C++
; it is designed for compile-time, link-time, run-time, and "idle-time" optimization of programs written in arbitrary programming languages. Originally implemented for C and C++, the language-agnostic design (and the success) of LLVM ... | <urn:uuid:5b975a7e-6b43-457e-bbf1-e9eba52e3a4c> | 3.46875 | 247 | Comment Section | Software Dev. | 29.30169 |
in the past you could not give an explanation for various phenomena in which was an action at a distance like magnetism or gravity that occurred in a vacuum; For this reason, it was hypothesized ether as something that would by connecting to bring the information of the positive charge to the negative charge (remaining... | <urn:uuid:f4fb48e0-e8a1-471a-a3bb-19b99f0555b0> | 2.796875 | 623 | Q&A Forum | Science & Tech. | 44.14338 |
I found this NASA graphic illustrating Jason Major's Universe Today article "A Moon With Two Suns", this graphic illustrates the known worlds of the Kepler-47 planetary system. Kepler-47 is of note as it is the first planetary system discovered with multiple planets orbiting two stars. (Last September I noted the disco... | <urn:uuid:26f9f153-6169-4dcb-8ef9-b6ce34b429dc> | 3.28125 | 476 | Personal Blog | Science & Tech. | 52.371316 |
NASA eClips: Preparing to Launch Ares 1-X
Real World: Preparing to Launch Ares I-X--- Now PlayingPreparing for future space missions, NASA is testing the Ares rockets prototype, Ares I-X. By finding the vehicles center of gravity, engineers can calculate the exact mass of the vehicle. The forces felt by the astronauts ... | <urn:uuid:451edcbb-0ea5-44bf-8c3f-400b57bcca37> | 3.5625 | 479 | Tutorial | Science & Tech. | 52.176123 |
minuteArticle Free Pass
minute, in timekeeping, 60 seconds, now defined in terms of radiation emitted from atoms of the element cesium under specified conditions. The minute was formerly defined as the 60th part of an hour, or the 1,440th part (60 × 24 [hours] = 1,440) of a mean solar day—i.e., of the average period of... | <urn:uuid:fdba6e0f-34d2-49f9-9be4-4bf6973273a1> | 3.40625 | 156 | Knowledge Article | Science & Tech. | 62.979768 |
An article on the BBC news website, discusses IBM’s latest development in artificial intelligence, which is modelled on the way that the brain is wired via neural connections which build and strengthen but also adapt and change over time, making the brain plastic and malleable (read about brain plasticity here). The co... | <urn:uuid:0b873ee7-fecb-4075-a3e0-fa527a632230> | 3.3125 | 296 | Knowledge Article | Science & Tech. | 25.240833 |
We are living in an age of unprecedented language creation. Between the explosion of languages on the JVM and the new native languages, we find ourselves with a happy surfeit of very interesting choices. These options are not just the toy creations of comp-sci undergraduates, but sophisticated products with extensive l... | <urn:uuid:8c1f9606-5666-4bd1-8fb3-23fc2d777d16> | 2.765625 | 588 | Personal Blog | Software Dev. | 40.126481 |
The material presented here tends to resume the literature dealing mainly with the structural description of the microbial loop and discusses some functional aspect in action within the microbial food webs. For more detailed information, the interested readers can refer to the literature listed below.
Since Pomeroy (19... | <urn:uuid:84994abc-1fdb-4707-9bdd-cb3d8f529fc5> | 2.96875 | 2,381 | Academic Writing | Science & Tech. | 35.565704 |
1. The space shuttle fleet has been made up of: Columbia, Challenger, Discovery, Atlantis, and Endeavor. The space shuttle is 184 feet long. The orbiter is 122 feet long.
2.It takes only 8 minutes for the Space Shuttle to accelerate to a speed of more than 17,000 miles per hour. The liftoff weight of the space shuttle ... | <urn:uuid:e5ed5d47-dc34-47a4-89e3-abac4c239701> | 3.59375 | 366 | Listicle | Science & Tech. | 73.584615 |
NES Video Chat: Let's Talk About Meteors, Meteorites and Comets
Dr. Bill Cooke and Rhiannon Blaauw answered questions on Jan. 12, 2012 about meteors, meteorites and comets and their potential danger to spacecraft.
Cooke, the lead for NASA's Meteoroid Environmental Office, and Blaauw, a meteor physicist, both have astro... | <urn:uuid:ee33948c-46ae-40b5-b1fc-4fb7fc145aa4> | 3.375 | 319 | Truncated | Science & Tech. | 35.896616 |
Special Relativity: Kinematics
Time Dilation and Length Contraction
The most important and famous results in Special Relativity are that of time dilation and length contraction. Here we will proceed by deriving time dilation and then deducing length contraction from it. It is important to note that we could do it the o... | <urn:uuid:e9266ee4-2816-4955-aecd-b4a5c64fca0a> | 4 | 1,782 | Academic Writing | Science & Tech. | 66.745229 |
Cell signals: A nanowire probe (thin inverted V) can record signals from cells without harming them.
Source: “Three-Dimensional, Flexible Nanoscale Field-Effect Transistors as Localized Bioprobes” Bozhi Tian et al.
Science 329: 830-834
Results: Researchers at Harvard have made biocompatible nanoscale probes that use tr... | <urn:uuid:025c5124-e41a-4927-9389-074f7757b31c> | 3.828125 | 834 | Content Listing | Science & Tech. | 33.008095 |
Narrator: This is Science Today. A groundbreaking experiment, which demonstrated that a piece of semiconductor material can slow down light pulses, may one day lead to very high speed network communications. Connie Chang-Hasnain, who led the University of California, Berkeley project, says it may also be used to add ‘t... | <urn:uuid:15315a9a-a9ec-466f-b8d1-78e3a1a6f39a> | 3.25 | 226 | Audio Transcript | Science & Tech. | 30.000368 |
Coast erosion is the process of wearing away material from the coastal profile due to imbalance in the supply and export of material from a certain section. It takes place in the form of scouring in the foot of the cliffs or in the foot of the dunes. Coast erosion takes place mainly during strong winds, high waves and ... | <urn:uuid:2a60cbf1-bf85-4dfb-9ccf-65a62867b3fc> | 3.953125 | 412 | Knowledge Article | Science & Tech. | 26.834702 |
In physics (especially astrophysics), redshift happens when light or other electromagnetic radiation from an object moving away from the observer is increased in wavelength, or shifted to the red end of the spectrum. In general, whether or not the radiation is within the visible spectrum, "redder" means an increase in ... | <urn:uuid:f66365a4-9b87-4fd9-893d-a9066bdd7c8f> | 3.796875 | 229 | Content Listing | Science & Tech. | 48.057489 |
The SimpleHTTPServer module defines a request-handler class, interface-compatible with BaseHTTPServer.BaseHTTPRequestHandler, that serves files only from a base directory.
The SimpleHTTPServer module defines the following class:
|request, client_address, server)|
A lot of the work, such as parsing the request, is done ... | <urn:uuid:c6ca205f-0ec9-4c9a-ab08-c0db3ca68cfa> | 2.828125 | 441 | Documentation | Software Dev. | 37.319101 |
This module provides a more portable way of using operating system dependent functionality than importing a operating system dependent built-in module like posix or nt.
This module searches for an operating system dependent built-in module like
mac or posix and exports the same functions and data
as found there. The de... | <urn:uuid:7116b945-d24c-43c2-8f40-a2e30153ad94> | 2.78125 | 357 | Documentation | Software Dev. | 38.256365 |
Precession is a change in the orientation of the rotational axis of a rotating body. It can be defined as a change in direction of the rotation axis in which the second Euler angle (nutation) is constant. In physics, there are two types of precession: torque-free and torque-induced.
In astronomy, "precession" refers to... | <urn:uuid:c3cf057b-dfee-4636-a84c-21d82b1c0544> | 4.09375 | 3,562 | Knowledge Article | Science & Tech. | 41.832234 |
Warming Affects Ecosystems Not Just Biodiversity
Ecosystems perform important tasks – like nutrient cycling, breakdown of waste and carbon storage – on which humans depend, so it's important we understand how climate change might affect them.
Researchers measured the effect of a 4-degree rise in temperature on communit... | <urn:uuid:2e060336-9c5d-4627-93ee-8bf202b36108> | 3.9375 | 476 | Truncated | Science & Tech. | 25.785177 |
The electrons and antiprotons travel side by side in one of the straight sections of the Recycler. The electrons absorb energy from the antiprotons shrinking the size and spread of the antiprotons and, just like a cooled gas, the antiprotons becomes denser. This allows the Recycler to store more antiprotons and then, w... | <urn:uuid:c2ceb443-c392-44cd-bc7f-9b5d1b8552dd> | 2.859375 | 108 | Documentation | Science & Tech. | 27.245952 |
[Physics FAQ] - [Copyright]
Updated May 1996 by PEG (thanks to Colin Naturman).
Updated August 1993 by SIC.
Original by John Blanton.
In 1935 Albert Einstein and two colleagues, Boris Podolsky and Nathan Rosen (EPR) developed a thought experiment to demonstrate what they felt was a lack of completeness in quantum mecha... | <urn:uuid:35c86aa1-bdcf-4a99-a03f-cc2af44c1da4> | 3.546875 | 2,453 | Knowledge Article | Science & Tech. | 41.024495 |
Go to the source code of this file.
||const char *
The explain_open_or_die function is used to call the open(2) system call. On failure an explanation will be printed to stderr, obtained from the explain_open(3) function, and then the process terminates by calling exit(EXIT_FAILURE).
This function is intended to be use... | <urn:uuid:b857e533-e3d2-498b-8f88-7a9bb3b752fd> | 3.015625 | 199 | Documentation | Software Dev. | 57.689875 |
pauses a StopWatch
subroutine pause_watch (watch, clock, err)
Pauses the specified clocks of the specified watches. This is useful when you want to temporarily stop the clocks to avoid timing a small segment of code, for example printed output or graphics, but do not know which watches or clocks are running. When pause... | <urn:uuid:034bb837-bc21-4528-8150-ca1621ac851a> | 3.453125 | 703 | Documentation | Software Dev. | 47.597923 |
The .NET Framework provides the ability to provide custom behavior for a type of component while it is in design mode. Designers are classes that provide logic that can adjust the appearance or behavior of a type at design time. All designers implement the IDesigner interface. Designers are associated with a type or ty... | <urn:uuid:41b89164-60f4-4f58-bb94-afa4ecd42858> | 2.875 | 323 | Documentation | Software Dev. | 31.917765 |
Wednesday, March 19, 2008
INL Advanced Test Reactor test site
An earlier post described the start of testing of the multiple-layer-coated fuel grains that form the billiard-ball-sized fuel pebbles in the pebble bed reactor. Idaho National Laboratory used its Advanced Test Reactor to expose these test fuel grains to rad... | <urn:uuid:34f45b2c-404f-421b-9a3f-5e19afce968a> | 3.203125 | 904 | Personal Blog | Science & Tech. | 36.985182 |
Hydrogen fusion requires two hydrogen nuclei to get close enough (typically a few fm) to fuse. Much of the problem of creating a fusion reactor is overcoming the Coulomb repulsion between a pair of nuclei - the millions of degrees for Maxwellian distributions, the Bremstrahlung losses for inertial confinement.
If we co... | <urn:uuid:f717eb18-d602-49e2-b576-051b52d01569> | 3.203125 | 251 | Q&A Forum | Science & Tech. | 40.866778 |
Cenomanian climate zones
New thoughts about the cretaceous climate and oceans
1. William W. Hay (a)
2. Sascha Floegel (b)
a Department of Geological Sciences, University of Colorado at Boulder, 2045 Windcliff Dr. Estes Park, CO 80517, USA
b. GEOMAR | Helmholtz-Zentrum für Ozeanforschung Kiel, Gebäude Ostufer, Wischhofs... | <urn:uuid:58456aa2-0807-4124-9ae1-ae159a379a69> | 2.875 | 487 | Personal Blog | Science & Tech. | 40.69947 |
|Cerambycidae ~ Longhorn Beetles|
page 1 page 2 page 3
The members of this family are named for their long antennae, sometimes exceedingly so. The antennae of males are usually longer than those of females, and often the antennae are attached to the head in a strange notch at the front of the eye. Sometimes the notch i... | <urn:uuid:43d31533-0039-4d83-ba39-e91c641528fd> | 2.9375 | 2,109 | Personal Blog | Science & Tech. | 52.353648 |
I got the first part, but the second part I having problems
with. Please help! Thanks in advance! =)
Three charges are arranged in a triangle as shown.
1) What is the net electrostatic force on the charge at the
origin? The Coulomb constant is 8.98755 × 109 N · m2/C2.
Answer in units of N. My answer = 9.886^10-6
2) Wha... | <urn:uuid:4b0c0790-ff50-455e-a098-6df07cbec10f> | 2.96875 | 131 | Q&A Forum | Science & Tech. | 89.992477 |
Lightning storms show us that there's plenty of electricity up there in the clouds, and scientists have been trying to harness it since Ben Franklin's famous kite experiment.
Now there may be a breakthrough. Research presented today at he annual meeting of the American Chemical Society has defined how atmospheric water... | <urn:uuid:d39a39cf-d404-44fd-bbce-5d512a39184d> | 3.078125 | 144 | Truncated | Science & Tech. | 38.914143 |
Limit Examples (part 2) More limit examples
Limit Examples (part 2)
⇐ 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.
- OK, hopefully, my tool is working now.
- But anyway, so we were saying when x is e... | <urn:uuid:690deb5f-07c5-4224-a3fd-dc9ba2857aff> | 3.53125 | 1,821 | Truncated | Science & Tech. | 71.748062 |
How Does a One-way Mirror Work?
One-way mirrors are designed to allow a view from one side.
CREDIT: InnervisionArt, Shutterstock
How can the good guys see through the mirror while the bad guy sees nothing but a shiny surface?
The mirror used in your favorite detective show has a thin layer of partially reflective coati... | <urn:uuid:88769a91-62b5-4066-98b4-8d0c875f0b91> | 3.15625 | 172 | Knowledge Article | Science & Tech. | 58.134946 |
Michael Le Page, biology features editor
"Snow chaos: and still they claim it's global warming." "Snowmageddon delivers another blow to global warming." "The mini ice age starts here."
A few months ago, these were the kind of headlines that were appearing in newspapers and blogs. After very cold winter weather in many ... | <urn:uuid:8260326e-5823-4d72-9ef5-fafb6fba259e> | 3.3125 | 576 | Nonfiction Writing | Science & Tech. | 49.599749 |
One In The Hand
Eggs are traditionally thought of as being very fragile, but in fact the physics behind their shape is astounding.
- raw egg
- plastic bag or glove (for the unconfident!)
Challenge audience members to break the egg just by squeezing it. Let them wrap the egg in a plastic bag or wear a glove if they're w... | <urn:uuid:537358f1-6c02-4819-86da-68942d08931f> | 3.796875 | 309 | Tutorial | Science & Tech. | 62.688085 |
Line of infinite charge and a gaussian sphere
Construct a spherical gaussian surface centered on an infinite line of charge. Calculate the flux through the sphere and thereby show that it satisfies gauss law.
I know how i can do it for a cylinder, but a sphere?
I know that the ends of the wire (one diameter) wil have z... | <urn:uuid:0ba7a9bb-afb0-4277-a4ca-7d256f803e42> | 2.703125 | 107 | Comment Section | Science & Tech. | 63.350065 |
Scientists from ETH Zurich have developed a nanomaterial that protects other molecules from oxidation. Unlike many such active substances in the past, the ETH-Zurich researchers' antioxidant has a long shelf life, which makes it just the ticket for industrial applications.
In findings that could help overcome a major t... | <urn:uuid:4cbbac37-bd98-467b-9edd-59ef5f715f2a> | 3.1875 | 507 | Content Listing | Science & Tech. | 21.703312 |
The year 1609 was noteworthy for two astronomical milestones. That was when Galileo built his first telescopes and began his meticulous study of the skies. Within months he discovered the four major satellites of Jupiter, saw that Venus (like our moon) has illuminated phases and confirmed earlier observations of sunspo... | <urn:uuid:bd2a775a-217f-4161-bdf9-f0bd3f41b136> | 3.796875 | 609 | Nonfiction Writing | Science & Tech. | 31.078181 |
Scientists at the European Center for Nuclear Research (CERN) in Geneva were cheered like rock stars on July 4 when they formally announced that they had almost certainly nabbed the biggest and most elusive catch in modern physics: the Higgs boson.
Dubbed the "God particle," the Higgs boson is "the missing cornerstone ... | <urn:uuid:2c50e809-6bc9-4325-8f9c-76367edcaa37> | 2.984375 | 1,526 | Listicle | Science & Tech. | 48.219167 |
Tom Yulsman is co-director of the Center for Environmental Journalism at the University of Colorado. His work has appeared in a variety of publications, including the New York Times, Washington Post, Climate Central, the Daily Climate and Audubon.
As cold temperatures swept into much of the United States on Monday, and... | <urn:uuid:59928008-d44b-4efa-aed6-681cedbb1994> | 3.15625 | 942 | Personal Blog | Science & Tech. | 51.031881 |
Yes. A "listener object" is an object that has listener methods, but it may have other methods.
An event listener is an object that "listens" for events from a GUI component, like a button. The Java system represents an event as an object. When the user generates an event, the system creates an event object, which is t... | <urn:uuid:99cc5492-ba2a-47e0-b483-dc0ea642a8ee> | 3.03125 | 209 | Q&A Forum | Software Dev. | 56.720673 |
The previous chapters discussed how to extend Python, that is, how to extend the functionality of Python by attaching a library of C functions to it. It is also possible to do it the other way around: enrich your C/C++ application by embedding Python in it. Embedding provides your application with the ability to implem... | <urn:uuid:cf348030-754b-45e1-96b1-89d0f855c220> | 3.40625 | 388 | Documentation | Software Dev. | 38.982292 |
NASA scientists have found that cirrus clouds, formed by contrails from aircraft engine exhaust, are capable of increasing average surface temperatures enough to account for a warming trend in the United States that occurred between 1975 and 1994. According to Patrick Minnis, a senior research scientist at NASA’s Langl... | <urn:uuid:63a5d69b-e2db-4b8f-bceb-675f4f012a5a> | 4.1875 | 353 | Knowledge Article | Science & Tech. | 41.596414 |
The Transiting Exoplanet Survey Satellite (TESS) is a planned space telescope for NASA's Small Explorer program, designed to search for extrasolar planets using the transit method. Led by the Massachusetts Institute of Technology with seed funding from Google, TESS was one of 11 proposals selected for NASA funding in S... | <urn:uuid:221adfe0-ea87-4c33-9f06-9f5792677626> | 3.625 | 381 | Knowledge Article | Science & Tech. | 36.651173 |
Warming will trigger some processes which speed further warming, and other effects which mitigate it. The balance between these positive and negative feedbacks is a major cause of uncertainty in climate predictions.
For example, as the diagram shows, decreasing ice cover will mean exposed land absorbs more heat and spe... | <urn:uuid:33f071a5-924a-477a-b8cd-0ea943d0b6d4> | 3.796875 | 157 | Knowledge Article | Science & Tech. | 40.383819 |
Exercise 5.12: printAverage
Write a method named
printAverage that accepts a
Scanner for the console as a parameter and repeatedly prompts the user for numbers. Once any number less than zero is typed, the average of all non-negative numbers typed is displayed. Display the average as a
double, and do not round it. For ... | <urn:uuid:b63f1549-7413-49b8-81ee-107516ea5c25> | 3.171875 | 189 | Documentation | Software Dev. | 51.365332 |
string fgets(int fp, int length);
Returns a string of up to length - 1 bytes read from the file pointed to by fp. Reading ends when length - 1 bytes have been read, on a newline (which is included in the return value), or on EOF (whichever comes first).
If an error occurs, returns false.
People used to the 'C' semantic... | <urn:uuid:129f6b6d-e317-47cb-abae-4fbc048ed3de> | 4 | 114 | Documentation | Software Dev. | 70.730578 |
The Salton Trough
Click to download high resolution file
You are missing some Flash content that should appear here! Perhaps your browser cannot display it, or maybe it did not initialize correctly.
Description:This is a video that illustrates the creation of the Salton Trough. The video shows the location of the Salto... | <urn:uuid:a181430b-db5a-489b-b4b7-68e421443554> | 2.765625 | 209 | Truncated | Science & Tech. | 58.380939 |
The hypothesis: In the shadows of deep craters that pock the south pole of the Moon there might be ever-frozen water.
The experiment: Guide the final stages of the Lunar Crater Observation and Sensing Satellite (LCROSS) rocket into one of the craters and crash it into the surface, hopefully sending a plume of dust into... | <urn:uuid:d5f2b934-b08e-4b0f-8834-54cc9095ccd0> | 3.921875 | 1,342 | Personal Blog | Science & Tech. | 45.801695 |
Astronomers from UC Berkeley have identified 33 pairs of waltzing black holes, closing the gap somewhat between the observed population of super-massive black hole pairs and what had been predicted by theory. "Astronomical observations have shown that 1) nearly every galaxy has a central super-massive black hole (with ... | <urn:uuid:6b95ca3c-13fb-483b-8e87-836d7721c1a0> | 3.59375 | 314 | Comment Section | Science & Tech. | 34.230189 |
In response to Phil Plait’s post on why there are no green stars, Matt Springer of Built on Facts talks about Planck’s law, the Stefan-Boltzmann law, and toasters.
Tags: Astronomy, Blackbody, physics, Planck's Law, Radiation, Science, Spectrum, Stefan-Boltzmann Law
This entry was posted on August 4, 2008 at 4:11 pm and... | <urn:uuid:5da532c3-5f46-4395-9274-45617367cf3a> | 3.09375 | 243 | Comment Section | Science & Tech. | 76.510833 |