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I am currently attempting to theorise an explanation for the apparent relationship between gravity and magnetism. Both are a 'force' which acts over a distance, the strength of which declines the further from the source one gets. Typical questions one might ask: Are there particles for these forces, or is it something ... | <urn:uuid:f92c215b-4c58-48b7-acbe-a567bca4ac9f> | 2.71875 | 1,548 | Q&A Forum | Science & Tech. | 34.404252 |
Provided by: umview_0.6-1_i386
umview - User Mode implementation of View-OS
umview [ options ] prog
The main goal of the View-OS project is to give each process its own
view of the system resources. For example, each process can mount
filesystems or hide some file or directories. It is also possible to
assign virtual n... | <urn:uuid:322899a9-5900-4af3-8329-2d663288946b> | 2.75 | 1,054 | Documentation | Software Dev. | 38.368275 |
Distance from Sun and the Milky Way's Center
Name: dutch minott
Date: 1993 - 1999
What is the distance between the center of the milky way and our sun?
The Milky Way has a radius of about 15 kpc, and the Sun is about 10 kpc
from the center. A "kpc" is a kilo-parsec. One parsec is 3.26 light years
or 3.086 x 10^18 cm. I... | <urn:uuid:ceda9163-c09a-48f3-8bcd-a102f179dd04> | 2.984375 | 137 | Knowledge Article | Science & Tech. | 78.67398 |
Clang is a new C-targeted compiler intended specifically to work on top of LLVM.
The combination of clang and LLVM provides the majority of a toolchain, allowing the replacement of the whole GCC stack.
One of clang's primary goals is to better support incremental compilation to allow the compiler to be more tightly tie... | <urn:uuid:8fd729c1-76c3-45ea-a831-d73d32e407a9> | 3.8125 | 579 | Comment Section | Software Dev. | 34.248888 |
Sea Otters and Polar Bears: Marine Fissipeds
Two Alaska marine mammals are neither pinniped nor cetacean: the polar bear and sea otter. They are both fissipeds, “split-footed” members of the order Carnivora, and are more closely related to terrestrial carnivores, like weasels, than seals or whales. Evolutionary newcome... | <urn:uuid:efb01c98-2e44-4617-99fe-7abcfb012737> | 3.46875 | 456 | Knowledge Article | Science & Tech. | 33.885842 |
Learn more physics!
If Photon has zero mass how can gravity effect light ? What is rational behind Pauli exclusion principle and Why not two Fermion can have same quantum state ? What is the significance of Pauli exclusion principle ?
- Mansur (age 27)
We've answered the photon question several times before. Use our se... | <urn:uuid:8aeb7085-d4d2-48e3-9efb-1ffcf65c2a10> | 3.453125 | 224 | Q&A Forum | Science & Tech. | 54.192414 |
Courtesy of EarthSky
A Clear Voice for Science
Can you see that the moon is farther from Spica tonight than it was last night? The moon is shifting farther and farthest east, with respect to the stars, each day. The moon always moves toward the east on our sky’s dome. This motion is a translation on our sky’s dome of t... | <urn:uuid:38de5d57-817e-401b-b9f6-97a9ea6af2b1> | 3.75 | 412 | Personal Blog | Science & Tech. | 61.993706 |
I have created a calculator in applet using awt. I got a problem in textfield as when you type, textfield displays from left to right but calculator displays from right to left. So what should i do so that textfield should print from right.
Joined: Mar 22, 2005
You can pad whatever you want to display with spaces on th... | <urn:uuid:354f18ef-57fc-4f05-91b7-e309b0b04e2d> | 2.828125 | 137 | Q&A Forum | Software Dev. | 72.31869 |
The core technologies at the heart of Web servicesWSDL, SOAP, and UDDIare designed to ease interoperability. In particular, SOAP, a protocol built upon XML, is the fundamental Web service transport technology. Because XML is a widely accepted technology for passing structured data, it is tempting to believe that SOAP m... | <urn:uuid:e6995c5c-4def-4a50-a033-51152e5ec2d6> | 3.109375 | 833 | Documentation | Software Dev. | 40.685543 |
OpenCL provides many benefits in the field of high-performance computing, and one of the most important is portability. OpenCL-coded routines, called kernels, can execute on GPUs and CPUs from such popular manufacturers as Intel, AMD, Nvidia, and IBM. New OpenCL-capable devices appear regularly, and efforts are underwa... | <urn:uuid:1fa2dd1d-1745-4989-bb3c-58d2ba542e4d> | 3.4375 | 1,302 | Documentation | Software Dev. | 47.092993 |
February 28, 2007
GCRIO Program Overview
Our extensive collection of documents.
Archives of the
Global Climate Change Digest
A Guide to Information on Greenhouse Gases and Ozone Depletion
Published July 1988 through June 1999
FROM VOLUME 5, NUMBER 3, MARCH 1992
Save the Planet 1991, IBM or Macintosh, $20 ($28 overseas)... | <urn:uuid:3fe47d29-1248-465b-a000-63279bd75c34> | 2.765625 | 232 | Content Listing | Science & Tech. | 40.327206 |
Continued from previous page
Figure. 2.2: Trends in annual diurnal temperature range (DTR, °C/decade), from 1950 to 1993, for non-urban stations only, updated from Easterling et al. (1997). Decreases are in blue and increases in red. This data set of maximum and minimum temperature differs from and has more restricted ... | <urn:uuid:6f217529-521f-4204-ba7f-5a5ee860acd2> | 3.515625 | 1,192 | Knowledge Article | Science & Tech. | 45.127189 |
Cercomonas clavideferens is a protozoa, a single celled organism, about 20 microns (thousandths of a millimetre) long, only visible under a powerful microscope.
Cercomonas clavideferens is abundant in soils and freshwater sediments, but has not been found alive in the sea. There are probably millions of these organisms... | <urn:uuid:b9cb619b-5e2d-4fff-9cec-0f5b1ddb3721> | 3.921875 | 475 | Knowledge Article | Science & Tech. | 23.812964 |
Editor’s note (10/9/2012): We are making the text of this article freely available for 30 days because the article was cited by the Nobel Committee as a further reading in the announcement of the 2012 Nobel Prize in Physics. The full article with images, which originally appeared in the June 1997 issue, is available fo... | <urn:uuid:29f05004-906b-4b73-94d3-1b6e8928cae6> | 2.953125 | 858 | Truncated | Science & Tech. | 35.395814 |
Why Bays Matter
Texas needs bays, and Texas bays need fresh water
By Larry McKinney
The wind on Redfish Bay was cold and gusty as we prepared to launch our kayaks on an early morning last October. We had to cross a shrimp-boat channel where the north wind was pitching a steady train of high swells across our path, but ... | <urn:uuid:fac6665f-5818-423e-ae15-bf19b413e42c> | 2.921875 | 3,161 | Nonfiction Writing | Science & Tech. | 45.594374 |
Edited by Zoe Volt, Viral, Trigtchr, Flickety and 31 others
A cube is a three-dimensional object that has the same width, height, and length. That means that finding out the volume, or total space, of a cube is relatively simple.
Help Finding Volume of a Cube
Method 1: Traditional Calculation
- 1Measure the width, leng... | <urn:uuid:5e5f2af0-76ef-4d18-b994-157d1864297d> | 3.84375 | 398 | Tutorial | Science & Tech. | 68.055478 |
What is the universe made of? This is one of the most basic questions humanity has had about the world surrounding us, but has proven one of the most difficult to answer. Our knowledge of matter and energy has progressed rapidly over the last few centuries, leading to a detailed understanding of nearly all of the mater... | <urn:uuid:4b920e01-64e5-4038-abe6-a0e290cc1db1> | 3.515625 | 497 | Knowledge Article | Science & Tech. | 38.376727 |
Molecular Biology and Genetics
Statistics of barcoding coverage: Xylocopa violacea
Public Records: 0
Specimens with Barcodes: 2
Species With Barcodes: 1
Xylocopa violacea, the violet carpenter bee, Indian Bhanvra is the common European species of carpenter bee, and one of the largest bees in Europe. Like most members ... | <urn:uuid:87567f35-d3a0-419c-8e29-129c5e345059> | 2.96875 | 418 | Knowledge Article | Science & Tech. | 46.456331 |
Nuclear Waste and Caves
What are the benefits of storing nuclear waste in
subterranean salt mining caves?
The main advantage is that since the salt has been in its deposit for
millions of years, there could not have been groundwater flowing through the
deposit for at least that long. If there had been, it would have ca... | <urn:uuid:dd51a15f-15e0-4506-95ca-06c6bfe3ae7f> | 3.03125 | 154 | Knowledge Article | Science & Tech. | 57.498317 |
Botany online 1996-2004. No further update, only historical document of botanical science!
Generally, answers to questions of the numerical capture, analysis or representation of mass phenomenons like allele frequencies in populations are given by statistics and probability calculus. Readings of experiments may be grou... | <urn:uuid:7a7e4f8e-6024-415e-8b78-a5d5b3efed15> | 3.734375 | 1,441 | Knowledge Article | Science & Tech. | 46.209181 |
Refraction is the change in direction of a wave due to a change in its medium. It is essentially a surface phenomenon. The phenomenon is mainly in governance to the law of conservation of energy and momentum. Due to change of medium, the phase velocity of the wave is changed but its frequency remains constant. This is ... | <urn:uuid:47596991-7e19-4de8-a923-35d3b4b80e5c> | 4.03125 | 330 | Knowledge Article | Science & Tech. | 38.1255 |
New discoveries to science from Kew
Over 250 years, Kew has made many discoveries about the fascinating worlds of plants and fungi. Each year, many new species of plant and fungi are discovered by our world class scientists.
We discover new things about the plants and fungi every day. This includes how different specie... | <urn:uuid:540a1365-72db-4d44-8f52-b91ce173bd64> | 3.109375 | 379 | Content Listing | Science & Tech. | 45.965434 |
Look up monthly U.S., Statewide, Divisional, and Regional Temperature, Precipitation, Degree Days, and Palmer (Drought) rankings for 1-12, 18, 24, 36, 48, 60-month, and Year-to-Date time periods. Data and statistics are as of January 1895.
Please note, Degree Days are not available for Agricultural Belts
Northeast Prec... | <urn:uuid:c8a4495e-80e1-4902-9d2c-443c81685200> | 2.765625 | 137 | Structured Data | Science & Tech. | 52.857895 |
Get in an insight into how scientists convince the world their ideas are worth publishing in this video.
Scientists spend days, months or even years analysing the data they have collected in the field or lab, in a quest to find the evidence to prove their ideas. Sometimes the data can produce unexpected results, which ... | <urn:uuid:3f638edd-bf9d-4096-863d-4820180ad198> | 2.765625 | 176 | Truncated | Science & Tech. | 52.660844 |
Cooking with Apache, Part 3
Pages: 1, 2
Recipe 12.4: Solving the "Trailing Slash" Problem
Loading a particular URL works with a trailing slash but does not work without it.
Make sure that
ServerName is set correctly and that none of the
Alias directives have a trailing slash.
The "trailing slash" problem can be caused ... | <urn:uuid:e13796f9-2cae-41fd-ba7c-9fb10239fdab> | 2.78125 | 613 | Documentation | Software Dev. | 53.653526 |
This is a photograph of a cumulonimbus cloud. Notice how the top of the cloud is shaped like an anvil.
Click on image for full size
Courtesy of UCAR Digital Image Library
Cumulonimbus clouds belong to the Clouds with Vertical Growth group. They are
generally known as thunderstorm clouds. A
cumulonimbus cloud can grow u... | <urn:uuid:2b65767f-46f5-4bb3-b9bd-a5b86c1cf6f1> | 3.546875 | 508 | Content Listing | Science & Tech. | 60.886957 |
Movie of Yearly Changes in Sea Ice around the North Pole
In late spring the weather gets warmer. The sea ice starts to melt. All through the summer more and more of the ice melts. When is there the least sea ice? Since a lot of ice melts in the summer, there is usually much less sea ice in early fall around September, ... | <urn:uuid:693ab653-c1bb-4d67-aae9-b60d1194652d> | 3.34375 | 268 | Truncated | Science & Tech. | 64.889211 |
Earth with Sun (bodies are not to scale). We all know the Sun provides Earth with light and warmth. It also provides energy that drives our weather. But how much influence do changes in the Sun have on the Earth's climate?
Click on image for full size
Courtesy of UCAR
Solar Cycle Variations and Effect on Earth's Climat... | <urn:uuid:bb56c0e7-c2b8-42d9-9ffb-9eb5fa2713a6> | 3.59375 | 843 | Knowledge Article | Science & Tech. | 55.596507 |
How Does Excess Co2 Effect The Earth
Excess Co2 is bad for the planet. It’s bad for the planet because it destroys the planet’s atmosphere. CO2 heats the earth. When CO2 heats the earth the polar ice caps start to melt and when they melt city’s start to flood.
Article posted June 1, 2012 at 09:53 AM •
comment • Reads 4... | <urn:uuid:cdb0247a-3807-4431-8c6e-e6d48c56e184> | 2.75 | 97 | Truncated | Science & Tech. | 83.926786 |
Pythons are one of the largest group of snakes in the world.
They are cold-blooded reptiles and cannot generate their own body heat.
Notice in these infrared images how cool it appears compared to the people
Pythons usually need to warm themselves up by basking in the sun before they
hunt for food. They are usually fou... | <urn:uuid:458246ae-d418-4cfc-8081-51112aa0d790> | 3.03125 | 77 | Knowledge Article | Science & Tech. | 53.286371 |
This Demonstration illustrates the formation of time-averaged Moiré fringes. The horizontal axis represents the amplitude of harmonic oscillation ; the vertical axis, the longitudinal coordinate . The stationary Moiré grating is shown at . Time-averaged images of the Moiré grating are shown at increasing amplitudes of ... | <urn:uuid:2e934581-a53d-4016-9a54-3341ca6aaffb> | 2.734375 | 615 | Academic Writing | Science & Tech. | 44.550905 |
Length: head and body 3.4-4.5"; tail 1.75-2"
Weight: 0.25-0.5 oz.
Number of teeth: 32
Young: 2-5 born in May and June.
Usually found in trees, rarely found in caves or attics.
Insect-eater, or insectivore: moths, flying ants, leafhoppers, flies and beetles
Period of Activity
USA: See distribution map.
Red Bat Trivia
Re... | <urn:uuid:b2518d36-c39e-47d2-b672-e056f1c44be8> | 3.28125 | 181 | Knowledge Article | Science & Tech. | 75.68976 |
This module defines an object type which can compactly represent an array of basic values: characters, integers, floating point numbers. Arrays are sequence types and behave very much like lists, except that the type of objects stored in them is constrained. The type is specified at object creation time by using a type... | <urn:uuid:b5897ce5-0dff-416c-b5d3-97bb356ab2a0> | 2.953125 | 1,307 | Documentation | Software Dev. | 47.176657 |
Branches of Science
Science refers to a body of knowledge, or a method of study devoted to developing this body of knowledge, concerning the nature of the universe gained through methodological observation and experimentation (scientific method). Exactly what constitutes science and scientific methods are subjects stud... | <urn:uuid:9cfe447a-1cb3-4a70-bffe-658f0097505d> | 3.390625 | 2,229 | Content Listing | Science & Tech. | 27.839067 |
I don't know about OpenCV, so I can't tell you what
cv.GetMat() does. Apparently, it returns something that can be used as or converted to a two-dimensional array. The C or C++ interface to OpenCV that you are using will probably have a similarly names function.
The following lines create an array of index pairs of the... | <urn:uuid:22ab0a8b-8a76-45f2-a72e-89cd6c3481d3> | 2.796875 | 293 | Q&A Forum | Software Dev. | 47.666299 |
|Home » Howtos » Secure code » Taint|
Taint mode is a way of making your code more secure. It means that your program will be fussier about data it receives from an external source. External sources include users, the file system, the environment, locale information, other programs and some system calls (e.g. readdir).... | <urn:uuid:639a3fe2-5182-4790-b8bd-838016aef869> | 3.5625 | 1,006 | Tutorial | Software Dev. | 54.860395 |
- Higgs boson discovery
This one is obvious: the Higgs tops the ranking not only on Résonaances, but also on BBC and National Enquirer. So much has been said about the boson, but let me point out one amusing though rarely discussed aspect: as of this year we have one more fundamental force. The 5 currently known fundam... | <urn:uuid:cd3c3bad-18f4-4fc9-bc50-e90d886ad140> | 2.703125 | 1,918 | Content Listing | Science & Tech. | 54.857334 |
Calculate Mushrooms, white, microwaved calories from carbohydrates, fats and proteins based on weight
Gravels and Substrates
Materials and Substances
What is rem heavy particles?
Rem (Roentgen Equivalent Man) is the derived unit of any of the quantities expressed as the radiation absorbed dose (rad) equivalent. The dos... | <urn:uuid:52860915-7b66-4154-abda-111841cce53f> | 3.21875 | 232 | Content Listing | Science & Tech. | 34.67625 |
Sponsored Link •
In the last dozen episodes I have defined plenty of macros, but I have not really explained what macros are and how they work. This episode closes the gap: it explains the true meaning of Scheme macros by introducing the concepts of syntax object and of transformer over syntax objects.
Scheme macros - ... | <urn:uuid:4b039c7e-8fed-496f-9ec7-f094dd61c365> | 2.75 | 2,820 | Personal Blog | Software Dev. | 52.172142 |
|Galaxies don't normally look like this.
NGC 6745 actually shows the results of
two galaxies that have been
colliding for only
hundreds of millions of years.
Just off the
above digitally sharpened photograph to the lower right is the smaller galaxy,
The larger galaxy,
pictured above, used to be a
but now is damaged and... | <urn:uuid:fd623f37-39bf-4448-81dd-a859dcb6ff87> | 3.421875 | 173 | Knowledge Article | Science & Tech. | 46.01975 |
Once we have a thorough understanding of polynomials we can look at rational functions that are a quotient of two polynomials. These rational functions have certain behaviors, and students are often asked to find their limits, or to graph them. Their graphs can have different characteristics depending on whether the nu... | <urn:uuid:29a56270-e3c9-47b8-8d41-9579e90ad63f> | 4.40625 | 923 | Tutorial | Science & Tech. | 64.283437 |
[For trouble viewing the images/movies on this page, go here]
Cassini begins the three-week Rev151 on July 21 at its farthest distance from Saturn, called apoapse. At this point, Cassini is 2.69 million kilometers (1.67 million miles) from Saturn's cloud tops. The spacecraft is in the middle of the first equatorial pha... | <urn:uuid:e3096ef9-caed-4588-8314-5c10905975f8> | 3.109375 | 1,571 | Knowledge Article | Science & Tech. | 53.730507 |
Core Ecological Concepts
Core Ecological Concepts
Understanding the patterns and processes by which nature sustains life is central to ecological literacy.
Fritjof Capra says that these may be called principles of ecology, principles of sustainability, principles of community, or even the basic facts of life. In our wo... | <urn:uuid:b376f164-a49b-41ac-bd46-275a12d51835> | 3.953125 | 599 | Knowledge Article | Science & Tech. | 32.379688 |
A list of water pollution causes.
Scientific information, visually presented, on global climate change on earth with data on ice, carbon dioxide, sea level, and temperature data.
This interim report provides an assessment and review of the Japanese Climate Change Policy Programme.
The first purpose of Climate Interacti... | <urn:uuid:900e677b-8151-4f2d-ac6e-273586f16e65> | 2.828125 | 148 | Content Listing | Science & Tech. | 29.901839 |
Family: Papilionidae, Swallowtails view all from this family
Description Papilio troilus, the spicebush swallowtail, is a common black swallowtail butterfly found in North America, also known as the Green-Clouded butterly. It has two subspecies, Papilio troilus troilus and Papilio troilus ilioneus, found mainly in the ... | <urn:uuid:22725820-04a6-4957-8a1a-350823b33c3d> | 2.796875 | 262 | Knowledge Article | Science & Tech. | 35.76859 |
Traditional Physics Cinema Project, due at 7:53am on Wednesday, Jan 9, 2013 (7min bell)
Purpose: in groups of 3-4, analyze the physics of a movie scene
a) has cause and effect involved. This means that in order to solve your chosen problem, you must first solve something else. No fair calculating several unrelated thin... | <urn:uuid:690f7d04-1cfd-4326-8bc2-d3cf5fc9d27c> | 4.21875 | 622 | Tutorial | Science & Tech. | 56.046158 |
A tornado is a violently rotating column or air in contact with the ground. When the column of air is not in contact with the ground, it is called a funnel cloud. A tornado in contact with a water surface is called a water spout. Tornadoes can vary greatly in size, intensity and appearance. Wind speeds in a tornado can... | <urn:uuid:7b62d1e9-0bd6-46c8-99e8-9c252e7aa805> | 3.953125 | 97 | Knowledge Article | Science & Tech. | 62.435504 |
Located a 1,000 miles south of Hawai'i, Palmyra Atoll is one of the most spectacular marine wilderness areas on Earth. The Nature Conservancy bought Palmyra in 2000 from the Fullard-Leo family, who had previously turned down offers to have the atoll used as a nuclear waste site and a casino.
Today, Palmyra is a nationa... | <urn:uuid:c9f86e09-1a8e-414d-8597-34728a7af940> | 3.375 | 287 | Knowledge Article | Science & Tech. | 40.755199 |
One of my faculty colleagues, Michael Runtz, took this photo (right) of ice bubbles in Cranberry Lake in Ontario. How did the bubbles form in this amazing fashion?
Without any scale reference or indication of the depth of the lake I cannot tell for certain, but I have seen similar bubbles frozen in ponds where I grew u... | <urn:uuid:45dfb6cf-43f0-4a4e-bed0-5df89fbeb61e> | 3.65625 | 205 | Truncated | Science & Tech. | 50.074045 |
Corals are marine organisms from the class Anthozoa and exist as small sea anemone–like polyps, typically in colonies of many identical individuals. The group includes the important reef builders that are found in tropical oceans, which secrete calcium carbonate to form a hard skeleton.
A coral "head", commonly perceiv... | <urn:uuid:1557ffa8-5d1a-4e81-a014-cd91090ededb> | 3.84375 | 3,132 | Knowledge Article | Science & Tech. | 31.189018 |
Harpago chiragra is the second largest of the Strombidae in the Marshalls, second only to Lambis truncata. It is common on both lagoon and seaward reefs, including the large flat-topped lagoon pinnacles. They are typically on sand or rubble, or sometimes on hard substrate. Adults are nearly always seen paired, with a l... | <urn:uuid:60451c7c-a4b7-41d4-a7e9-7197f8f3d5d7> | 2.75 | 379 | Knowledge Article | Science & Tech. | 46.901639 |
Changing Planet: Melting Glaciers
As the Earth system warms due to rising levels of greenhouse gases in the atmosphere, observations show that land-based glaciers are melting fast in many places around the world - in the United States, Europe, South America, and Asia. Because of ice-albedo feedback, as ice melts, albed... | <urn:uuid:9843e328-8ab7-4509-9dca-7c4b2e46c2e7> | 4.25 | 519 | Tutorial | Science & Tech. | 60.626977 |
From childhood to adulthood, magnets have fascinated man. Young children are given sets of magnets to play with, linking them end to end. School children are shown, with iron ore dust, just how those invisible magnetic lines reach and curl, preparatory to a lecture about the Earth's magnetic field and on to how to use ... | <urn:uuid:20fa64da-b8d3-46da-bfc2-536bc7012820> | 3.265625 | 840 | Nonfiction Writing | Science & Tech. | 49.455041 |
In his lab at Indiana University, James Goodson keeps violet-eared waxbills – a stunning but notoriously aggressive type of finch. Males and females form life-long bonds but they don’t play well with others. “Most of our animals are housed in male-female pairs, but were you to introduce another adult into their cage, m... | <urn:uuid:0e0f51d5-bc34-4d63-b14d-d8a3b354b352> | 3.34375 | 1,260 | Nonfiction Writing | Science & Tech. | 50.284928 |
Renewable energy has a critical role to play in reducing greenhouse gases and leading the United States toward energy independence. That role should soon be getting bigger: The U.S. government is pushing for a 100 percent increase in renewable energy by 2012. The two biggest sources are the wind and the sun. But the va... | <urn:uuid:724c39fa-2684-4023-9cec-f24215c78309> | 3.671875 | 1,588 | Knowledge Article | Science & Tech. | 40.00327 |
|570 genera, >4.300 species|
Linyphiidae is a family of spiders, including more than 4,300 described species in 578 genera worldwide. This makes Linyphiidae the second largest family of spiders after the Salticidae. New species are still being discovered throughout the world, and the family is poorly known. Because of ... | <urn:uuid:6033c661-d7d1-452c-8e58-3acbee4ee053> | 3.46875 | 775 | Knowledge Article | Science & Tech. | 38.485366 |
Fractional Quantum Hall Effect
In high mobility semiconductor heterojunctions the integer
quantum Hall effect (IQHE) plateaux are much narrower than for lower
mobility samples. Between these narrow IQHE more plateaux are seen at fractional
filling factors, especially 1/3 and 2/3. This is the fractional quantum
Hall eff... | <urn:uuid:21d3b7cb-7236-4277-aa69-8f026c78b9f9> | 2.828125 | 1,237 | Knowledge Article | Science & Tech. | 66.800564 |
Much of temperature change of 20th century not correlated with CO2
The rate of temperature rise during the early years of the 20th century was comparable to the current rate of rise, but the level of human contributions to the CO2 was much smaller. Then in the post-war industrial boom when CO2 emissions were higher, th... | <urn:uuid:447ca357-7ecf-4650-9f0e-dc56b63856c8> | 2.96875 | 151 | Academic Writing | Science & Tech. | 30.5336 |
Life Around the Iceberg
ICEBERG A43K, SOUTHERN OCEAN– Many birds, seals and whales are living around Iceberg A43K. We saw several of them as we approached the iceberg two days ago. In comparison, we had fewer sightings at SS-1, the smaller iceberg.
Jake Ellena and Ken Smith are our bird surveyors. They count birds in f... | <urn:uuid:51b37378-72d4-4923-b4cd-77c7fb9999db> | 3.515625 | 405 | Knowledge Article | Science & Tech. | 36.646323 |
I know (from Kinematics) that for an object moving linearly with an acceleration and without air resistance the following equations can be used to determine v(velocity) or x(position of the object) at any time:
Where x0 is the position of the object at the start of accelerated movement, v0 is the velocity at the start ... | <urn:uuid:57dc8f4d-101c-42be-8edc-5618b6056972> | 2.875 | 209 | Q&A Forum | Science & Tech. | 46.458842 |
A memory leak occurs when a program allocates memory for a data structure and then never releases that memory and does not reuse that memory. The next time the program needs the data structure, it allocates more memory again. Over time, the available memory appears to be shrinking and this is called a "memory leak." Me... | <urn:uuid:9665338a-da89-476b-aea6-49d0fd791d31> | 3.28125 | 233 | Knowledge Article | Software Dev. | 52.020333 |
Now we’ve said a lot about the category of topological spaces and continuous maps between them. In particular we’ve seen that it’s complete and cocomplete — it has all limits and colimits. But we’ve still yet to see any good examples of topological spaces. That will change soon.
First, though, I want to point out somet... | <urn:uuid:f82a64ed-7cd3-4f32-acb7-9a9bbd7eed25> | 2.765625 | 1,107 | Academic Writing | Science & Tech. | 52.122193 |
The majority of the carbon stored in peatlands is in the saturated peat soil that has been sequestered over millennia. In the sub (polar) zone, peatlands contain on average 3.5 times more carbon per hectare than the above-ground ecosystems on mineral soil; in the boreal zone they contain 7 times more and in the humid t... | <urn:uuid:1df52d5b-f432-4d60-8e09-19ae035d462b> | 4.28125 | 421 | Knowledge Article | Science & Tech. | 35.891049 |
GUI ToolKits are libraries written to ease the task of writing GUI applications by abstracting the drudgework away from the programmer. As an added bonus, they offer a consistent look between applications that use the same one.
In a GUI application written without a ToolKit the actual program is a long loop that contin... | <urn:uuid:2a0f4d06-eb99-4166-baa0-e05d05d094bc> | 3.078125 | 237 | Knowledge Article | Software Dev. | 43.938552 |
Image of the Day: Most Bizarre Fish You’ve Ever Seen?
A diver swims with a huge ocean sunfish, or Mola mola, off the coast of San Diego. They are the largest of the bony fish and often get mistaken for sharks due to their dorsal fins. They feed on jellyfish and plankton and are curious of humans, as seen in the photo. ... | <urn:uuid:2f79c506-1373-4e8e-b313-9f58af925e73> | 3.21875 | 241 | Truncated | Science & Tech. | 45.768011 |
CHANNEL MODIFICATIONS OF HAWAIIAN STREAMS
In their 1978 report, Timbol and Maciolek identified
channel modification as a significant factor contributing to the
degradation of stream biological quality in the Hawaiian Islands
Six types of channel
modifications were distinguished.
Timbol and Maciolek wrote, "Continued ch... | <urn:uuid:8db206fb-9b6c-4836-b059-c234c7c11fa0> | 3.140625 | 439 | Knowledge Article | Science & Tech. | 22.380195 |
Anoxic refers a region having no oxygen present, with nitrite and nitrate present and taking over the function as the oxidiser (with the oxidation reduction potential between +50 and -50 mV).
Within a reef system, denitrification (conversion of nitrate to nitrogen gas) occurs in the anoxic regions (includes interior re... | <urn:uuid:f64ecb83-0b53-494d-8998-665b41fa6cb3> | 2.859375 | 213 | Knowledge Article | Science & Tech. | 53.609825 |
The vfork() function creates a new process as does
fork(), except that the child process shares the
same address space as the calling process. Execution of the calling
process is blocked until the child process calls one of the
exec() family of functions, or calls
Because parent and child share the address space, you m... | <urn:uuid:e5c8de64-6772-4306-8ffd-3b3167e6ea74> | 3.171875 | 558 | Documentation | Software Dev. | 43.726752 |
Name: Evan D.
Date: March 2001
Why is the south pole colder?
I answered this question for a Newton reader
just a few minutes ago.
Basically, because Antarctica is a continent.
Antarctica has much higher elevations because of this and
somewhat different meteorology than does the Arctic. The area
inside the Arctic Circle... | <urn:uuid:dcdd810a-0712-42d2-a44d-9a7ada6df533> | 3.5 | 145 | Audio Transcript | Science & Tech. | 25.735897 |
Synonyms: Collisella pelta
|Left: Top view of Lottia pelta with barnacle.
Right: Interior of Lottia pelta shell.
|Photo by: Ryan Lunsford 2002
Collected at Rosario
How to Distinguish from Similar Species: Lottia pelta can be easily confused with Tectura scutum. The distinguishing difference is the relative height of L.... | <urn:uuid:90d77067-5b7c-4e2d-9d31-a2d20dcf455d> | 3.1875 | 1,203 | Knowledge Article | Science & Tech. | 40.585429 |
WebReference.com - Part 1 of chapter 5 from Beginning Java 2 SDK 1.4 Edition, Wrox Press Ltd (1/8)
Beginning Java 2 SDK 1.4 Edition
What is a Class?
As you saw in Chapter 1, a class is a prescription for a particular kind of object--it defines a new type. We can use the class definition to create objects of that class ... | <urn:uuid:02ef71f2-8e0d-47fe-bac4-78a15a9a1628> | 3.59375 | 859 | Tutorial | Software Dev. | 51.522329 |
A minor planet is an astronomical object in direct orbit around the Sun that is neither a dominant planet nor originally classified as a comet. Minor planets can be dwarf planets, asteroids, trojans, centaurs, Kuiper belt objects, and other trans-Neptunian objects. The first minor planet discovered was Ceres in 1801 (a... | <urn:uuid:ade17e47-f52a-4d38-8cdc-a44a5da582c6> | 3.875 | 3,064 | Knowledge Article | Science & Tech. | 49.477363 |
Despite Reductions by Industrialized Countries, Global CO2 Emissions Increase Steeply
Global emissions of carbon dioxide (CO2) increased by 45 percent between 1990 and 2010, and reached an all-time high of 33 billion tons in 2010. Increased energy-efficiency, nuclear energy and the growing contributions of renewable en... | <urn:uuid:2c3f07dd-9530-45d3-9373-d6df3132eeb7> | 3.125 | 826 | Truncated | Science & Tech. | 41.681637 |
mikejuk writes “The Goldbach conjecture is not the sort of thing that relates to practical applications, but they used to say the same thing about electricity. The Goldbach conjecture is reasonably well known: every integer can be expressed as the sum of two primes. Very easy to state, but it seems very difficult to pr... | <urn:uuid:b593896d-856b-41ca-bf07-3075e89f2e4a> | 2.796875 | 198 | Comment Section | Science & Tech. | 47.464261 |
What is meant by an "elementary particle"?
Describe the progression of ideas about what
particles are truly "elementary".
What particles are currently considered to be
the building blocks of all matter?
Describe the difference in protons and neutrons
in terms of the quarks which make them up.
No one has seen an isolate... | <urn:uuid:297fa2b6-4c15-4ea5-9ee0-1dda2e58b300> | 3.25 | 259 | Content Listing | Science & Tech. | 44.683742 |
(Submitted June 30, 1997)
How is it possible for manned space flights to survive the effects of
the Van Allen Radiation Belt?
As you know, the Van Allen radiation belts are doughnut-shaped regions
encircling Earth and containing high-energy electrons and ions
trapped in the Earth's magnetic field. Explorer I, launched ... | <urn:uuid:3c355e78-175a-4d47-b412-ca2b452e5e96> | 4.03125 | 449 | Q&A Forum | Science & Tech. | 58.756884 |
The negative consequences of global warming are well-documented — melting ice caps, rising sea levels, loss of habitat for polar bears and countless other species, mass disruptions and dislocations around the world as formerly habitable areas become unlivable. It sounds like the world's going to become a very unpleasan... | <urn:uuid:b9a4f9bb-20b1-4f8a-b5aa-aa4c8ed0a682> | 3.03125 | 207 | Listicle | Science & Tech. | 29.407353 |
This article from EARTH Magazine noted something I wasn’t aware of, but probably shouldn’t be surprised about – induction of earthquakes caused (or at least suspected to be caused) by geological exploration. Usually connected to work done for energy related purposes, it appears that at least one geologist has been take... | <urn:uuid:cbb4b824-1737-4070-9703-fd192e54360b> | 3.234375 | 299 | Personal Blog | Science & Tech. | 30.278635 |
Martian Dust Devil Movie, Phoenix Sol 104
The Surface Stereo Imager on NASA's Phoenix Mars Lander caught this dust devil in action west of the lander in four frames shot about 50 seconds apart from each other between 11:53 a.m. and 11:56 a.m. local Mars time on Sol 104, or the 104th Martian day of the mission, Sept. 9,... | <urn:uuid:f8be76ac-9183-4aa7-bf58-b1b66d3f254f> | 3.328125 | 459 | Truncated | Science & Tech. | 58.961024 |
Energetic star becomes a cool supergiant
Mar 27, 2003
When a star in the constellation of Monoceros, or the “Unicorn”, erupted in January last year, it temporarily became the brightest star in the Milky Way. Howard Bond of the Space Telescope Science Institute in Maryland and astronomers in the US, the Canary Islands a... | <urn:uuid:29884caa-7b56-4458-b911-98bc6c6fb45b> | 3.390625 | 525 | Truncated | Science & Tech. | 37.738693 |
Major Section: MISCELLANEOUS
A ``check sum'' is an integer in some fixed range computed from the
printed representation of an object, e.g., the sum, modulo
the ascii codes of all the characters in the printed
Ideally, you would like the check sum of an object to be uniquely
associated with that object, like a fingerpri... | <urn:uuid:d00c68ee-074e-4dc0-833c-e4e8e52c0221> | 3.453125 | 427 | Documentation | Software Dev. | 48.110299 |
An interactive presentation by Graeme Lennie.
- It takes about 100 gallons of water to grow and process a single pound of cotton, and the average American goes through about 35 pounds of new cotton material each year. Do you really need that additional T-shirt?
- One of the best ways to conserve water is to buy recycle... | <urn:uuid:a1cc26f4-473e-475c-8021-4f46f565013d> | 3.203125 | 176 | Listicle | Science & Tech. | 60.733333 |
How to Secure a Web Site
Security is a very important aspect for any
developer of ecommerce web sites. To secure a web site, we must make sure
that private data that's sent between the client and server can't be deciphered.
To accomplish that, we use an Internet Protocol called SSL (Secure Socket
Layer). Its an importa... | <urn:uuid:b640b6cc-31f3-46d3-bbfa-eafdcf19bad1> | 3.625 | 739 | Tutorial | Software Dev. | 32.105574 |
Download this article
- PDF (1.9 MB)
Back to the Table of Contents
Explained in 60 Seconds: A collaboration with Symmetry Magazine, a Fermilab/SLAC publication (page 04)
Redshift, Explained in 60 Seconds
Redshift is the observed change in the colour of light emitted by a star or other celestial object that is moving aw... | <urn:uuid:c916d591-64ee-41c0-9963-aabeed10636f> | 3.03125 | 83 | Truncated | Science & Tech. | 44.328553 |
Chemical Equilibrium vs Dynamic Equilibrium
When one or more reactants are converting to products, they may go through different modifications and energy changes. The chemical bonds in the reactants are breaking, and new bonds are forming to generate products, which are totally different from the reactants. This kind o... | <urn:uuid:801ff792-6a2e-4d87-9846-17392be7fdf9> | 3.984375 | 681 | Knowledge Article | Science & Tech. | 39.250523 |
For many programmers, the emergence of data immutability as a desirable feature in programming languages is a curious development. Immutability the capacity to create variables whose initial value cannot be changed is suddenly the mode.
When the programming world was dominated by C and C++, most instructional materials... | <urn:uuid:cfabd15e-b42d-43e8-9b03-55487c8f8d75> | 3.515625 | 797 | Personal Blog | Software Dev. | 28.88066 |
The National Lightning map shows where cloud-to-ground lightning strikes have occurred in the last hour. Lightning is an atmospheric discharge of electricity, which typically occurs during thunderstorms
, and sometimes during volcanic eruptions or dust storms
. In the atmospheric electrical discharge, a leader of a bol... | <urn:uuid:a3ea2645-241f-4171-9816-5caee9a9134e> | 4.3125 | 232 | Knowledge Article | Science & Tech. | 35.22629 |
Andalusite is an aluminum-rich silicate mineral.
Andalusite is a common mineral in aluminum-bearing metamorphic rocks. It forms at low to medium temperatures and pressures. Andalusite is trimorphous with sillimanite and kyanite. It means that these three minerals have exactly the same chemical composition but they have... | <urn:uuid:b9c7e12f-6de5-4e41-99fc-4d1b083f00d2> | 3.828125 | 1,427 | Knowledge Article | Science & Tech. | 27.841913 |
Water & Food: How Plants Eat and Drink
Plants need water. Water in the cells helps plants to grow and make food, makes leaves and stems firm (a plant that needs watering wilts), and carries minerals from the soil.
Plants also need food. As plants cannot eat in the same way as animals, plants have to create sugars, by s... | <urn:uuid:2f65aa9a-9ad2-4cf0-9808-fd57b029b4cb> | 3.6875 | 932 | Knowledge Article | Science & Tech. | 64.045359 |
View Single Post
06-24-2009, 04:19 PM
La Vida es Sueño
Join Date: Sep 2007
Typically a set of functions inside a set of classes, that are ideally able to be used independent of one another. Although some dependencies are naturally unavoidable. They hasten the most common of tasks, such as interacting with a database. A... | <urn:uuid:f5c2f30a-c4e9-41e5-a834-4a919439e5f5> | 2.796875 | 329 | Comment Section | Software Dev. | 51.939682 |
I have been teaching PreCalculus for the past ten years, and it always bothered me how trigonometry is developed and presented in most books. After having spent months on linear, quadratic, polynomial, rational, exponential and logarithmic functions where we define all of these functions having domains in terms of subs... | <urn:uuid:5f2e8c4e-0866-4f5c-9015-03c49d522088> | 3.171875 | 287 | Comment Section | Science & Tech. | 43.587525 |
Convertin’ a constant force into an oscillatin’ one is a useful trick. Ya’ll seen em: gravity-powered pendulums and wind-powered turbines for example, them both set machines a-spinin and a-swingin by exploitin’ a constant force.
Them machines might work sweetly at macroscopic scales but ain’t nobody cracked it on the n... | <urn:uuid:12ae38bf-b742-4fda-98e0-58d65e9db237> | 2.734375 | 389 | Nonfiction Writing | Science & Tech. | 49.393145 |
About Dates and Times
Date and time objects allow you to store references to particular instances in time. You can use date and time objects to perform calculations and comparisons that account for the corner cases of date and time calculations.
At a Glance
There are three main classes used for working with dates and t... | <urn:uuid:a2db8ff6-a9ad-4391-96e4-a70288339263> | 3.578125 | 766 | Documentation | Software Dev. | 35.065324 |
Without math, would our seafaring ancestors ever have seen the world? Great mathematical thinkers and their revolutionary discoveries have an incredible story. Explore the beginnings of logarithms through the history of navigation, adventure and new worlds.
John Napier was a famous Scottish theologian and mathematician... | <urn:uuid:c596e2c5-d885-4391-8a25-5eef82538efe> | 3.703125 | 419 | Knowledge Article | Science & Tech. | 48.638878 |
Ncurses is a programming library providing an, allowing the programmer to write text-based user interfaces, s, in a terminal-independent manner. It also optimizes screen changes, in order to reduce the experienced when using remote Unix shell.
Ncurses stands for "new curses", and is a replacement for the discontinued 4... | <urn:uuid:d7ec7464-f881-49a2-8db4-3a0ebd0eb12c> | 2.765625 | 150 | Knowledge Article | Software Dev. | 42.646396 |
Simple raster graphics ? How do I ...
jdhunter at ace.bsd.uchicago.edu
Wed Mar 24 21:41:52 CET 2004
>>>>> "Ray" == Ray Molacha <ray_molachaNOSPAM at gmx.co.uk> writes:
Ray> Hi Everybody. I'm learning Python on a Windows computer,
Ray> using PythonWin.
Ray> I'd like to be able to do some simple raster graphics, like
Ray... | <urn:uuid:5e322114-30a2-413b-aa6e-13e57b94831c> | 2.734375 | 407 | Comment Section | Software Dev. | 80.630311 |
Technology makes space exploration possible. Each Mars mission is part of a continuing chain of innovation: each relies on past missions
to identify needed new technologies and each contributes its own innovations to benefit future missions. This chain allows NASA to
continue to push the boundaries of what is currently... | <urn:uuid:420c79b9-ae6f-4984-abbd-49ce293833c4> | 3.578125 | 1,168 | Knowledge Article | Science & Tech. | 38.346885 |
|To get started, use %hi to display a short, %i
for an int, %li for a long, %G
for a float or double, %LG for a long
double, %c for a char (or %i to
display it as a number), and %s for a string (char * or char
). Then refine the formatting further as desired.
To print a percent sign, use %%.
int printf(const char *form... | <urn:uuid:b7b454cb-5040-4b2e-bfd0-3399a7515675> | 3.5 | 992 | Documentation | Software Dev. | 72.933889 |
Major Section: PROGRAMMING
Below are six commonly used idioms for testing whether
zp are the preferred termination tests for recursions
down the integers and naturals, respectively.
idiom logical guard primary meaning compiled code**See guards-and-evaluation, especially the subsection titled ``Guards and evaluation V: ... | <urn:uuid:176b459d-2d0b-425b-b7a4-74b0045e4e07> | 3.0625 | 1,786 | Documentation | Software Dev. | 55.093853 |
In a block formatting context, boxes are laid out vertically, starting
at the top. Block-level elements—elements with a display property value of
table, and (in certain circumstances)
run-in—participate in block formatting contexts.
A block-level element with a
display property value
table will generate a principal
box... | <urn:uuid:4d2d4885-0234-49c0-a18c-abcc6b9e17d4> | 3.296875 | 470 | Documentation | Software Dev. | 39.4725 |