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Study alters Greenland glacier melt view
Leeds, England (UPI) Jan 26, 2011
Warm summer temperatures may not melt the Greenland ice sheet as fast as previously feared and may actually slow the flow of glaciers, British researchers say.
Scientists at the University of Leeds say they believe increased melting in warmer ye... | <urn:uuid:91a92a82-16a4-44ed-b579-77d882ca1d83> | 3.609375 | 513 | Truncated | Science & Tech. | 41.63381 |
MSYNCSection: Linux Programmer's Manual (2)
Index Return to Main Contents
NAMEmsync - synchronize a file with a memory map
DESCRIPTIONmsync() flushes changes made to the in-core copy of a file that was mapped into memory using mmap(2) back to disk. Without use of this call there is no guarantee that changes are written... | <urn:uuid:b08500ca-0756-47db-9541-dff77bf8d4d7> | 2.78125 | 433 | Documentation | Software Dev. | 55.864624 |
Features formed from those igneous rocks that have reached or nearly reached the Earth's surface before solidifying. [Adapted from Glossary of Geology, 4th ed.]
Alexandria Digital Library Feature Type Thesaurus
Earth tides and volcano monitoring [ More info] Article in the May 28, 1998 issue of Volcano Watch describing... | <urn:uuid:5b0c8445-e142-499d-bdcc-20231a3c1ca4> | 3.40625 | 577 | Content Listing | Science & Tech. | 23.172354 |
Meitnerium: the essentials
Element 109, meitnerium, is a synthetic element that is not present in the environment at all. There is no dispute concerning the name meitnerium for element 109.
The interested reader should consult the on-line version of The Wonderful World of Atoms and Nuclei for a fascinating insight into... | <urn:uuid:9783b886-409e-4c36-a0ea-87626c9a7fc5> | 3.796875 | 378 | Knowledge Article | Science & Tech. | 37.117744 |
Last year, researchers reported that radar mapping of Titan by the Cassini spacecraft had found a peculiar shift in landmarks on the moon's surface of up to 19 miles (30 kilometers) between October 2004 and May 2007.This last bit about the theory being testable makes this more interesting to me. It's a great example to... | <urn:uuid:a3d23f16-9e4d-4255-a979-2c8b1e668df7> | 4.15625 | 321 | Personal Blog | Science & Tech. | 45.469228 |
It is known that all sensory information is input to the brain as neural spike sequences. Now, to distinguish between the spike sequences generated by retinal red/blue/green cone cells from each other, and these from the cochlear (inner ear) hair cells, and so on, some sort of encoding scheme must be used.
To further c... | <urn:uuid:fa87f4bc-f34c-4dc3-87ac-c93d4783a6ad> | 3 | 623 | Q&A Forum | Science & Tech. | 40.130075 |
I’m sure you’ve noticed by now how much the media loves tug-on-the-heartstrings images of oiled birds, dead fish and mile-wide slicks. But have you heard about the millions of casualties in every square foot of mud? The news reports overwhelmingly fail to mention how this oil disaster is affecting a keystone group in m... | <urn:uuid:0a38b7da-98de-4b1d-acac-3e52b6d3afbf> | 3.265625 | 1,318 | Personal Blog | Science & Tech. | 44.414814 |
See Also: Container Members
A Gtk# user interface is constructed by nesting widgets inside widgets. Gtk.Container widgets are the inner nodes in the resulting tree of widgets: they contain other widgets. So, for example, you might have a Gtk.Window containing a Gtk.Frame containing a Gtk.Label. If you wanted an image i... | <urn:uuid:b736aefb-680e-4646-a5f2-16a27eb914f1> | 3.59375 | 299 | Documentation | Software Dev. | 64.066162 |
The one important task that only embedders (as opposed to extension writers) of the Python interpreter have to worry about is the initialization, and possibly the finalization, of the Python interpreter. Most functionality of the interpreter can only be used after the interpreter has been initialized.
The basic initial... | <urn:uuid:2eb0a641-c3c3-4313-a043-b8cced12b317> | 3.078125 | 545 | Documentation | Software Dev. | 26.811959 |
I am Trying to write a program that does the following:
Write a program that simulates the rolling of two dice. The program should use rand to roll the first dice and should use rand
again to roll the second dice. The sum of the two values should then be calculated. [note: each dice can show an integer value from 1-6, ... | <urn:uuid:57ffab9f-ef75-4e29-acc2-c10059182ff5> | 3.140625 | 183 | Comment Section | Software Dev. | 77.261364 |
By Deja Dragovic
With the BP Oil Spill trial starting, here is a recap of the environmental impact caused by the Deepwater Horizon disaster and oil spill in April 2010.
Due to a delicate ecosystem that exists in the Gulf, of the many different species of flora and fauna interacting perfectly in their natural environmen... | <urn:uuid:1f650ea0-6c2d-4774-b761-694ec8f1309d> | 3.390625 | 636 | Truncated | Science & Tech. | 26.093893 |
Question: determine whether the points lie on straight lines
- A(2,4,2), B(3,7,-2), C(1,3,3)
- D(0,-5,5), E(1,-2,4), F(3,4,2)
Answer: first one no, second one yes
My work: only the one of the variables would be changing and it would be by a constant factor (e.g. 3,6,9,12...). I think this because a line has a constant ... | <urn:uuid:2dad97dc-e8ee-408d-8f5d-569551799b23> | 2.796875 | 135 | Q&A Forum | Science & Tech. | 116.312989 |
Programming is the act of creating new software for use on a computer system. This is often categorized into two broad types - system software and application software. Programming is the art of creating the instructions that tell a computer what to do. Without these instructions, the source code of an application, the... | <urn:uuid:0678282f-5868-437a-98b9-13f5964fdaf1> | 4.0625 | 371 | Knowledge Article | Software Dev. | 45.0895 |
Exotic life beyond Earth? Looking for life as we don't know it
Scientists at a new interdisciplinary research institute in Austria are working to uncover how life might evolve with "exotic" biochemistry and solvents, such as sulphuric acid instead of water. Their research ...
USF Study Shows First Direct Evidence of Oc... | <urn:uuid:a41036b9-a0d7-453b-906b-18fbad01f78e> | 2.734375 | 753 | Content Listing | Science & Tech. | 39.11589 |
Optical tweezers have been used by biophysicists since their invention at Bell Labs in the 1980s, and are typically used to study cellular components. But they have a few drawbacks, not least of which are overheating and inefficiency.
So engineers at Harvard have been working on a next-gen model they call plasmonic nan... | <urn:uuid:dab9a986-de3d-48a2-ad2e-f208d5171d63> | 4.15625 | 274 | Truncated | Science & Tech. | 33.476858 |
Looks can deceive…
A South American sabertooth-lookalike, Thylacosmilus was in fact a marsupial – at roughly the size of a jaguar, one of the largest marsupial carnivores.
Looks a great deal like a saber tooth tiger, huh?
The similarity between Thylacosmilus and Smilodon is an excellent example of convergent evolution ... | <urn:uuid:ee0a7d77-285f-4640-9af3-5022a1b0e3ab> | 3.34375 | 351 | Personal Blog | Science & Tech. | 27.316397 |
Using Command Line using Visual C++ 2008
- Select Start >> All Programs >> Microsoft Visual C++ 2008 Express Edition >> Visual Studio Tools >> Visual Studio 2008 Command Prompt (Run with administrator privileges)
- Once you are in the command line, you can use any editor such as edit to write a C program.
C:> edit mypr... | <urn:uuid:ec3508db-4b08-4f7e-8437-ae121afce79c> | 3.109375 | 575 | Tutorial | Software Dev. | 57.9845 |
Wearing diamonds on the inside – to monitor biochemistry
Diamonds are biocompatible and cheap enough to be considered for use as sensors inside the body. Some cancer treatments require regular monitoring of blood. David Hoxley is investigating the use of diamond as a sensor of blood chemistry. The area is known as micr... | <urn:uuid:aaf6cbdb-3cd6-4c22-bad6-9354368f964d> | 3.453125 | 1,754 | Audio Transcript | Science & Tech. | 48.920896 |
More than 3,050 species of invertebrates inhabit the benthos of the Barents Sea (Sirenko, 2001). Total fauna biomass, including benthic species, generally increases near the Polar Front, in shallow regions, and near the edges of banks. The richest species diversity is found on sandy silts, and silty-sand floors. Lower ... | <urn:uuid:b17bd043-0236-442d-92ae-21eb5aff043d> | 3.0625 | 120 | Knowledge Article | Science & Tech. | 45.865833 |
Mulvaney, R., Abram, N.J., Hindmarsh, R.C.A., Arrowsmith, C., Fleet, L., Triest, J., Sime, L.C., Alemany, O. and Foord, S. 2012. Recent Antarctic Peninsula warming relative to Holocene climate and ice-shelf history. Nature 489: 10.1038/nature11391.
The authors write that "the Antarctic Peninsula is at present one of th... | <urn:uuid:e06a8694-4bf8-4769-97d6-2964abb22c8b> | 3.390625 | 643 | Knowledge Article | Science & Tech. | 59.936411 |
Milkweed is a challenging plant to eat. It is covered with hairs, contains a sticky, gummy latex, and is highly toxic. Yet there are a variety of insects that are specialists on feeding on milkweed. The caterpillar of the monarch butterfly is the most famous.
Anurag Agrawal shares his research on the relationship betwe... | <urn:uuid:7f581c8b-c855-4d80-89f2-4febc96696e8> | 2.875 | 130 | Truncated | Science & Tech. | 35.841748 |
Researching the ancient bristlecone pines with Google Earth
— John Muir
Since the days of Charles Darwin, biologists have struggled with ways to represent our planet's incredible biological diversity on maps that convey both meaningful information and a realistic sense of scale. In recent years, this challenge has morp... | <urn:uuid:a793f3e6-7021-443e-aaec-a9d425ada7f7> | 3.859375 | 2,976 | Knowledge Article | Science & Tech. | 31.327249 |
Our universe’s shortest algorithm has 3 lines and computes all possible universes, not just ours.
To predict we need more: a plausible prior measure
1. Weak assumption on this measure: the universe is sampled from a formally describable prior. Then futures with lots of randomness and without short descriptions are nece... | <urn:uuid:9dfb0850-f84b-43b7-8318-16f8fab2ef5d> | 2.78125 | 128 | Academic Writing | Science & Tech. | 43.7535 |
Asteroids are rocky objects. There are many different types of asteroid, consisting of different amounts of metal, silicate and carbon. They also have different histories. Some of them have completely melted like the planets, whereas others have not melted but have been altered by water. This means there are a wide var... | <urn:uuid:fd674259-5534-441c-8e71-31dcb6b241d3> | 4.21875 | 436 | Knowledge Article | Science & Tech. | 48.786781 |
Extratropical Water Level Guidance
What is a datum?
In the context of this site, datum refers to a vertical tidal datum.
The four datums used by this site are defined as follows. For more on
tidal datums, please see
NOAA's National Ocean Service (NOS) tidal datum definition page.
Highest Astronomical Tide|
| "The [heig... | <urn:uuid:11311976-8e2d-4298-8fa8-5278485060af> | 3.6875 | 581 | Documentation | Science & Tech. | 53.65903 |
Puppis ( Latin: poop deck) is a southern constellation. It is the largest of the four parts into which Argo Navis was split.
Notable deep sky objects
As the milky way runs through Puppis, there are a large number of open clusters in the constellation. Messier 46 (M46) and Messier 47 (M47) are two open clusters in the s... | <urn:uuid:a70effe7-19a7-4699-ac73-a9d13653a228> | 2.96875 | 443 | Knowledge Article | Science & Tech. | 75.07047 |
Renewable Energy Sources
One of the most common uses of renewable energy is to heat the water of outdoor swimming pools using solar collectors.
While solar energy is a familiar terminology these days, many people don’t know much about any of the other renewable energy sources yet? These are wind, geothermal heat, and r... | <urn:uuid:4bf9fc24-3891-464d-b075-4175395d5b91> | 3.171875 | 689 | Knowledge Article | Science & Tech. | 29.124329 |
The Fourier transform is a fundamental tool in many parts of mathematics. This is even more so when one looks at various natural generalizations of it. This article contains brief descriptions of the Fourier transform in various contexts and links to articles about its use.
Basic analysis, complex numbers.
Different ki... | <urn:uuid:3ab8b4a8-8168-41e1-ba54-d1a8c0ca820b> | 3.6875 | 319 | Knowledge Article | Science & Tech. | 48.098659 |
Climate change is fast becoming one of the most important issues of our time. Not to dismiss the political discussions going on across the U.S., but a recent analysis of public opinion sponsored by the National Science Foundation indicates that 75 percent of the American public believes the earth’s climate is warming a... | <urn:uuid:17263ba3-e51e-4312-8d03-520720bf10b7> | 3.6875 | 555 | Academic Writing | Science & Tech. | 42.632652 |
The Tusi-couple is a mathematical device in which a small circle rotates inside a larger circle twice the diameter of the smaller circle. Rotations of the circles cause a point on the circumference of the smaller circle to oscillate back and forth in linear motion along a diameter of the larger circle.
The couple was f... | <urn:uuid:dff3df46-e4c5-4cb0-a22b-71d7fd758bb5> | 3.640625 | 1,423 | Knowledge Article | Science & Tech. | 52.402231 |
Specifies the type of key container access allowed.
This enumeration has a FlagsAttribute attribute that allows a bitwise combination of its member values.Namespace: System.Security.Permissions
Assembly: mscorlib (in mscorlib.dll)
|No access to a key container.|
|Create a key container.|
Creating a key container also c... | <urn:uuid:5390c993-1c08-4e6d-9528-3bf3c96ed60e> | 2.921875 | 609 | Documentation | Software Dev. | 47.574495 |
Water and Solution Evaporation Rates
Date: Winter 2011-2012
After researching many sites including yours, my son attempted an experiment to determine what would evaporate quicker: tap water, bottled purified water, or a homemade solution of salt water. All of the research dictated that the tap water should evaporate fi... | <urn:uuid:ad2acc8b-ffa9-497c-bfa0-02775df4b7b9> | 3.234375 | 2,223 | Q&A Forum | Science & Tech. | 58.184403 |
Can you each work out the number on your card? What do you notice?
How could you sort the cards?
I am thinking of three sets of numbers less than 101. They are the
red set, the green set and the blue set. Can you find all the
numbers in the sets from these clues?
If you have ten counters numbered 1 to 10, how many can ... | <urn:uuid:874fa1a7-2528-4120-a755-2c8abe351e22> | 3.75 | 758 | Content Listing | Science & Tech. | 70.299195 |
To have threading supported at the language level means that the language provides first-class support for multi-threading, as opposed to just providing second-class support via class libraries.
In Java, threading is supported at the language level with the
volatile keywords. Using monitors and volatile fields are rela... | <urn:uuid:30cb8a1f-56f2-4969-9f89-ab4a6e7156a1> | 3.234375 | 328 | Q&A Forum | Software Dev. | 42.25 |
The grey-faced sengi is a relative newcomer to the elephant shrew family. The journey of discovery began in 2005, when a unfamilar species of giant elephant shrew was caught on a camera trap in the Udzunga mountains of Tanzania. An expedition the following year confirmed this as the first new elephant shrew species ide... | <urn:uuid:3c4e4cc2-e8b5-4236-a1d0-c307011fd033> | 3.390625 | 402 | Knowledge Article | Science & Tech. | 45.325714 |
Despite the increasing knowledge of amphibians and reptiles in Guyana, the southern part of the country has yet to be explored. Southern Guyana has been noted as a high research priority because it harbors large, contiguous forests, and a high diversity of habitats. The reptiles and amphibians of the Acarai Mountains a... | <urn:uuid:14b23082-e1c2-445c-be6b-bb1262aa9658> | 3.171875 | 895 | Knowledge Article | Science & Tech. | 33.293203 |
Pacific Rocky Intertidal Monitoring: Trends and Synthesis
Click here for Long-Term trends
Click here for Biodiversity Survey findings
Paradise Cove is located in the South Coast region of California. The site is located in an Area of Special Biological Significance (Mugu Lagoon to Latigo Point ASBS), within the Point D... | <urn:uuid:3bd9f76e-d711-4e97-b11a-c52049499f75> | 2.828125 | 388 | Knowledge Article | Science & Tech. | 24.779135 |
April, 2013. Scheyvens, Henry; Sagara, Miho and Ibarra Gené, Enrique. Institute for Global Environmental Strategies (IGES), Japan. 133 pages. ISBN: 978‐4‐88788‐133‐4
Curious about REDD?
Want to learn more about REDD?
If you want to learn more about REDD, than read on this page...
Some external reading
MUST READ! June 2... | <urn:uuid:8f162c26-252c-43b5-be99-12fb98ec717e> | 3.296875 | 582 | Content Listing | Science & Tech. | 46.409762 |
This first edition was written for Lua 5.0. While still largely relevant for later versions, there are some differences.
The third edition targets Lua 5.2 and is available at Amazon and other bookstores.
By buying the book, you also help to support the Lua project.
|Programming in Lua|
|Part II. Tables and Objects Chap... | <urn:uuid:64d5c808-1df6-4de3-bfa6-ea375ea69c39> | 2.9375 | 275 | Documentation | Software Dev. | 47.3665 |
The science of a solar eclipse
Total solar eclipse to occur over northeastern Australia
A total solar eclipse occurred over the northeastern Australian coast early in the morning of November 14 local time.
Clueless about this spectacular astronomical event? No worries, we've got you covered. We're here to explain what ... | <urn:uuid:c0151c56-b689-4662-9181-4e70f320cd84> | 3.703125 | 1,116 | Audio Transcript | Science & Tech. | 49.004485 |
Report an inappropriate comment
Thu Jan 17 14:37:39 GMT 2013 by Eric Kvaalen
"About 300,000 years after the big bang, the charged hydrogen that filled the universe became neutral and opaque, creating a cosmic fog that blotted out visible light for a billion years."
That's not right. When the hydrogen became neutral it ... | <urn:uuid:d58aeceb-1609-43ee-b59a-695d25764063> | 3.375 | 91 | Comment Section | Science & Tech. | 69.160203 |
Water Proof Neoprene
I am trying to explain to my class why Neoprene is
waterproof, but I lack the in-depth knowledge to do so. Please assist me
Neoprene is a trade name for a class of synthetic rubber. Most
rubbers are polymers built up from butadiene (H2C=CH-CH=CH2).
Isoprene replaces the H of the second carbon with ... | <urn:uuid:a5b91f73-9a10-4b35-b494-847a46bc043b> | 3.265625 | 763 | Q&A Forum | Science & Tech. | 45.680621 |
The New Caledonian crow is a member of the corvid family, which also includes ravens, jays, and magpies. Corvids are considered the most intelligent bird species, and their tool-making abilities rival or surpass those of great apes--in fact, their puzzle-solving skills are about on par with a 5-year-old human child. Cr... | <urn:uuid:e3597fb4-b7be-4945-ae83-50c80e613b3c> | 3.46875 | 333 | Knowledge Article | Science & Tech. | 57.14293 |
Nowadays, electron microscopes are an essential tool, especially in the field of materials science. At TU Vienna, electron beams are being created that possess an inner rotation, similarly to a tornado. These "vortex beams" cannot only be used to display objects, but to investigate material-specific properties - with p... | <urn:uuid:2a0ae20e-9e35-4c91-ba0d-12fd656c4087> | 3.9375 | 816 | Knowledge Article | Science & Tech. | 32.231131 |
What has global warming done since 1998?
What the science says...
|Select a level...||Basic||Intermediate|
For global records, 2010 is the hottest year on record, tied with 2005.
No, it hasn't been cooling since 1998. Even if we ignore long term trends and just look at the record-breakers, that wasn't the hottest year ... | <urn:uuid:a93e058c-554f-4b96-9543-7a640f0243ac> | 3.328125 | 362 | Personal Blog | Science & Tech. | 67.106966 |
There are ethical guidelines that have to be followed when conducting experiments. They keep experimenters from committing acts of pointless waste or extreme destruction. That's fair. But if those ethical limitations were ever swept aside, I know what unholy acts of scientific mayhem I'd like to see.
10. Chimpanzees wi... | <urn:uuid:bbdbc173-f468-4446-abe2-6fc1b39e10db> | 2.875 | 1,275 | Listicle | Science & Tech. | 57.462539 |
The Eastern Steppes of Mongolia are some of the largest and last remaining temperate grasslands in the world. They are also home to the Mongolian gazelle (Procapra gutturosa), or zeer, which migrate annually in herds ranging from 35,000 to 80,000 between winter and calving grounds spread throughout the steppes. Althoug... | <urn:uuid:eb9ba7e8-6018-439d-a6ce-3358e6510b63> | 3.796875 | 301 | Knowledge Article | Science & Tech. | 22.767613 |
Science Fair Project Encyclopedia
Lanthionine is a non proteinogenic amino acid found in peptides of microbial origin. It is a sulfide bridged alanine dimer (HOOC-CH(NH2)-CH2-S-CH2-CH(NH2)-COOH) which is synthesized from cysteine and dehydroalanine by posttranslational modifications of peptides.
The contents of this ar... | <urn:uuid:43fa54ac-200d-4000-8bb4-3a7354bf27fd> | 2.796875 | 116 | Knowledge Article | Science & Tech. | 33.594 |
With the astounding growth of the Internet over just the last few years has come a concomitant increase in the number of environmental information resources available on the Net. These resources come in a bewildering array: mailing lists, Usenet newsgroups, gopher servers and World Wide Web (WWW) servers, among others.... | <urn:uuid:a55316c7-7125-4b34-ba01-cd5b2d56c2d5> | 2.765625 | 1,183 | Knowledge Article | Science & Tech. | 37.044572 |
|Version||0.2 - Friday, 23 February 2007|
|Source code repository|
The library is a set of macros tries to emulate python's generators functionality in lisp.
One difference from the python's generators it is impossible to save a generator to a variable and call 'next' method manually. Only 'foreach' syntax is supported... | <urn:uuid:e84dacd8-3b41-45eb-b1cd-466d2fe585ec> | 3.046875 | 572 | Documentation | Software Dev. | 51.733725 |
The True Rotational Symmetry of Space
The following deep, elegant, and beautiful explanation of the true rotational symmetry of space comes from the late Sidney Coleman, as presented to his graduate physics class at Harvard. This explanation takes the form of a physical act that you will perform yourself. Although eleg... | <urn:uuid:5501c0de-6ffb-4f47-bb1c-0326f12325c2> | 3.234375 | 962 | Knowledge Article | Science & Tech. | 48.305342 |
Yes, I am aware that this is the temperature change that a doubling of CO2 would have in a scenario with no feedbacks- a blackbody.
It is likely that there are negative feedbacks that act to supress the warming even further.
There is only one negative feedback that has been clearly demonstrated and that is the simple f... | <urn:uuid:fbf90794-3df8-4314-8462-61753796de10> | 3.171875 | 1,093 | Comment Section | Science & Tech. | 53.460705 |
Sub Exercise() Dim Tracks As Integer End Sub
Instead of using As Integer, you can use the % type character. Therefore, the above declaration could be done as follows:
Sub Exercise() Dim Tracks% End Sub
After declaring the variable, you can assign the desired value to it. If you assign a value lower than -32768 or highe... | <urn:uuid:9b723c88-2324-4cae-8ae9-cf4ae610fc29> | 2.765625 | 147 | Tutorial | Software Dev. | 40.94 |
Metamorphic Rock Process III
Written for the KidsKnowIt Network by:
Scientists call the third way metamorphic rocks form a tectonic process. Sometimes I think scientists like to use long words to make it harder for non-scientists to figure out what they are talking about. Here's what they are talking about: The large p... | <urn:uuid:1d1ec831-9cdb-449e-b509-151c54bcc473> | 4.1875 | 613 | Knowledge Article | Science & Tech. | 52.596815 |
If a rough surface is illuminated by a coherent lightwave of wavelength λ1, it is not possible to determine the surface profile from the phases of the speckle field formed by the scattered light. If the rough surface is illuminated, however, by an additional coherent wave of wavelength λ2, the phase differences between... | <urn:uuid:96b5d49d-375c-4ba3-bbc0-3bc2ca0e1411> | 2.703125 | 306 | Academic Writing | Science & Tech. | 28.879404 |
Earth in the Solar System
The planet earth is the 3rd planet from the sun: A solar system consists of the moon, seven more planets and the sun. Our sun is certainly an average dimension star. Many objects inside the solar system happen to be in regular, predicable movement. These kinds of motions describe our time, the... | <urn:uuid:f8861e14-8db6-4732-a179-e095a1e444d2> | 3.484375 | 452 | Knowledge Article | Science & Tech. | 45.222702 |
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.
November 11, 1998
Explanation: On some nights the sky is the most interesting show in town. This picture captures a particularly active and colorful... | <urn:uuid:31ef45df-0c90-4475-ae5c-6b100b798e81> | 2.78125 | 163 | Knowledge Article | Science & Tech. | 30.557957 |
In what has become an annual tradition here at BA Central, literally the day I post my gallery of best pictures of the year, something comes along that really would’ve made it in had I seen it even a few hours earlier. In this case, it’s a combined Chandra X-Ray Observatory and optical Very Large Telescope image of gal... | <urn:uuid:1be9cb51-382c-4537-8104-9421c7a76f04> | 3.09375 | 1,627 | Personal Blog | Science & Tech. | 57.467139 |
Multiple adjacent string literals (delimited by whitespace), possibly using different quoting conventions, are allowed, and their meaning is the same as their concatenation. Thus, "hello" 'world' is equivalent to "helloworld". This feature can be used to reduce the number of backslashes needed, to split long strings co... | <urn:uuid:fd6c9fe4-3919-4ac9-953f-bb4f3601ab09> | 2.984375 | 190 | Documentation | Software Dev. | 29.348367 |
Reflection: mirror, mirror on the wall
Reflection of light is how we ‘see’ things at all, regardless of color. Light waves from the sun--which, as it emanates its own light, is known as a luminous source—are reflected by all the objects in their path. All objects, that is, except those that allow light to pass through ... | <urn:uuid:21060c99-b1b1-40d6-946d-f3b716072331> | 3.4375 | 1,184 | Tutorial | Science & Tech. | 63.255167 |
Authors: H.-J. Hochecker
I stick metal foil on an a 1 square meter large and 10 kilograms heavy dielectric so that a condenser is build. By putting a tension of 10 kV on the condenser or by short-circuiting it I measure a real reduction of the weight of about 0.1 grams each time. This result confirms my theoretical con... | <urn:uuid:28adcd1f-65ca-41a8-bcb6-bafb5c270602> | 2.8125 | 146 | Academic Writing | Science & Tech. | 64.275 |
Tests of general relativity are difficult to come by. The curvature of space time that is central to the theory is only strong around black holes and neutron stars. Around the Sun, the effects of space-time curvature are of order GM/Rc2 = 2 × 10−6 or less, where G is the gravitational constant, M is the mass of the bin... | <urn:uuid:83781076-b08e-4021-b5d3-2335313262bf> | 3.984375 | 1,203 | Knowledge Article | Science & Tech. | 42.944771 |
School: SANTA FE SCHOOL FOR THE ARTS
Area of Science: Ecology
Abstract: Problem: How the breeding cycle of the Leatherback Sea Turtle is affected by natural and human causes. The Leatherback is an endangered species due to poaching and nesting habitat destruction. By modeling these affects we hope to gain information t... | <urn:uuid:70ec3d67-1f92-465c-8759-ae04e9d3c693> | 3.1875 | 83 | Academic Writing | Science & Tech. | 34.532273 |
Forest Pests: Insects, Diseases & Other Damage Agents
Identification of Gypsy Moth Larval Color Forms
United States Department of Agriculture
Since 1991, Asian gypsy moths (AGM) have been introduced into North America on commercial and military vessels and their cargo, from the Far East and more recently from Europe. A... | <urn:uuid:9e007b0a-09fb-4a9b-8b23-8d713f0e167d> | 3.265625 | 749 | Knowledge Article | Science & Tech. | 49.2241 |
Table of Contents
If you find this EDG documentation helpful please consider DONATING! to keep the doc alive and current.
Flexibility in large component based systems raise questions on how to organize a project for easy development and maintenance while protecting your data and reputation, especially from new develope... | <urn:uuid:18854b93-8826-43ce-96ab-863d31141af0> | 3.484375 | 1,637 | Documentation | Software Dev. | 44.001496 |
of what used to be called Pelvetia, now
Silvetia compressa (J. Agardh)
Serrão, Cho, Boo et
Silvetia compressa grows primarily in the Northern Hemisphere on the west coast from Coos Bay, Oregon to Lower California (Ensenada.) It is found either isolated or in aggregations forming thick beds on top of somewhat protected ... | <urn:uuid:23bd0172-e2ba-4619-838c-842570ce357c> | 3.65625 | 689 | Knowledge Article | Science & Tech. | 39.381741 |
View your list of saved words. (You can log in using Facebook.)
Copepods (Temora)—Douglas P. Wilson
Any of the 10,000 known species of crustaceans in the subclass Copepoda. Copepods are widely distributed and ecologically important, serving as food for many species of fish. Most species are free-living marine forms, fo... | <urn:uuid:bab50d6d-98da-4159-8be5-2ed3df370fa2> | 3.6875 | 238 | Knowledge Article | Science & Tech. | 58.605902 |
FEELING a little dull? Follow the lead of flamingos, which apply make-up to brighten their feathers. This touch-up allows the healthiest birds to continue looking their best, and so helps them signal their status as high-quality mates.
The bright pink colour of flamingos comes from pigments called carotenoids, which th... | <urn:uuid:6b8ca984-34cb-4c64-b895-823b193234eb> | 3.296875 | 228 | Truncated | Science & Tech. | 53.952845 |
Deepwater and shallow water coral reef communities are rich in diversity and provide habitat for many species. Shallow water coral reef systems have been well-studied partly due to their accessibility. Deepwater corals and associated habitats can only be studied with technologically advanced methods such as manned subm... | <urn:uuid:7034a33a-ea12-41c0-a531-35a250e75c52> | 3.875 | 445 | Knowledge Article | Science & Tech. | 27.229947 |
Riding the atomic waves: with the magic of quantum mechanics, an atom goes two ways at once.Physicists have added a new trick to their experimental repertoire. In their latest feat, called atom interforometry, they paradoxically divide and recombine re·com·bine
To undergo or cause genetic recombination; form new combin... | <urn:uuid:30fc437f-f6d3-4a6d-a83f-404a87326608> | 3.265625 | 2,914 | Truncated | Science & Tech. | 33.906857 |
This month’s picturing science image, from University Research Fellow Dr Hugh Tuffen, is just four millimeters across. It shows the remarkable microscopic textures within obsidian, or volcanic glass, formed in an Icelandic eruption twenty-five thousand years ago. Obsidian forms from cooling of magma with a high silica ... | <urn:uuid:f839fff2-7d01-45c8-bcc9-373ce800d830> | 4.15625 | 349 | Knowledge Article | Science & Tech. | 36.545948 |
The ocamldep command scans a set of OCaml source files (.ml and .mli files) for references to external compilation units, and outputs dependency lines in a format suitable for the make utility. This ensures that make will compile the source files in the correct order, and recompile those files that need to when a sourc... | <urn:uuid:0f35a136-6d49-4a1d-b732-e89bbe7380a0> | 2.75 | 685 | Documentation | Software Dev. | 49.463105 |
View Full Version : Neutron Stars have charge...waa?
2008-May-24, 01:54 AM
Pardon me if this has already been asked, but since neutrons don't have charges, how can a neutron star have a magnetic field?
The composition of a neutron star is known only via theory, and theoretical details are not complete. However, a neutr... | <urn:uuid:fb5a9e78-8f60-4663-bd69-0fbed68f077e> | 3.015625 | 176 | Comment Section | Science & Tech. | 63.44 |
Class #11 (Feb. 12) Reading Questions - The Dark Side of the Universe
1. Current observational results constrain to the total matter (plus energy) density of the universe to the range 0.1<Omega<10 where Omega=Mtotal/Mcritical. Explain why this result strongly implies that Omega actually equals exactly one and thus, tha... | <urn:uuid:5a9d025f-972e-4241-87fd-bb5ce24a2833> | 3.390625 | 263 | Q&A Forum | Science & Tech. | 41.789583 |
See also the
Dr. Math FAQ:
Browse High School Discrete Math
Stars indicate particularly interesting answers or
good places to begin browsing.
Selected answers to common questions:
Four-color map theorem.
How many handshakes?
Squares in a checkerboard.
- Graph Theory [09/29/2001]
Why is a graph with five vertices, each ... | <urn:uuid:ba4e41fe-e2b0-4ab4-b780-81205bbc7a1b> | 3.0625 | 1,844 | Q&A Forum | Science & Tech. | 73.597802 |
The direction flag is a CPU flag specific to Intel 80x86 processors. It applies to all assembly instructions that use the REP (repeat) prefix, such as MOVS, MOVSD, MOVSW, and others. Addresses provided to applicable instructions are increased if the direction flag is cleared.
The C run-time routines assume that the dir... | <urn:uuid:c65ff48a-714c-47fa-bbd9-c2f02e9b360d> | 2.734375 | 163 | Documentation | Software Dev. | 45.199528 |
Gets the collection of controls contained within the control.
Assembly: System.Windows.Forms (in System.Windows.Forms.dll)
A Control can act as a parent to a collection of controls. For example, when several controls are added to a Form, each of the controls is a member of the Control.ControlCollection assigned to the ... | <urn:uuid:28d81b3e-fca4-46d9-ae8c-d94938c25e45> | 3.046875 | 294 | Documentation | Software Dev. | 50.036667 |
The Medieval Warm Period in Northeast China
Wang, L., Rioual, P., Panizzo, V.N., Lu, H., Gu, Z., Chu, G., Yang, D., Han, J., Liu, J. and Mackay, A.W. 2012. A 1000-yr record of environmental change in NE China indicated by diatom assemblages from maar lake Erlongwan. Quaternary Research 78: 24-34.
Focusing on Lake Erlon... | <urn:uuid:4e71d045-b508-41ce-b787-6bbabce7c2d2> | 2.796875 | 950 | Academic Writing | Science & Tech. | 69.364463 |
The Compact Reconnaissance Imaging Spectrometer for Mars (CRISM) took this image of the Nili Fossae region at 0643 UTC (2:43 a.m. EDT) on June 21, 2007, near 21.15 degrees north latitude, 74.24 degrees east longitude. CRISM's image was taken in 544 colors covering 0.36-3.92 micrometers, and shows features as small as 2... | <urn:uuid:6da7a36b-e587-4861-b511-0bf4a1e04b62> | 3.796875 | 733 | Knowledge Article | Science & Tech. | 44.64751 |
Some high-energy experiments (RHIC, LHC) use ion-ion collisions instead of proton-proton collisions. Although the total center-of-mass energy is indeed higher than p-p collisions, it might happen that the total energy per nucleon is actually lower. What are the advantages of using ion-ion collisions (e.g. gold-gold or ... | <urn:uuid:e169a27d-af4a-46af-ba2f-3cefd4cfff6e> | 3.328125 | 402 | Q&A Forum | Science & Tech. | 57.907806 |
Compiled/interpreted is hardly a meaningful distinction nowadays; IDE's such as Eclipse completely hide away the compile step, interpreted languages are sometimes compiled transparently to improve performance. The really interesting metric is "how much time I need to start my program while developing", really. With tod... | <urn:uuid:ec5b640c-d989-49f9-8742-20cbab922bbb> | 2.796875 | 917 | Q&A Forum | Software Dev. | 37.091763 |
Map of the cosmic microwave background radiation, c. 2006
This beach ball shows a full-sky map of the microwave radiation left over from the Big Bang—a snapshot of what the early Universe was like, 13.7 billion years ago. Many scientists believe that temperature fluctuations observed in the microwave background are a r... | <urn:uuid:bcb499b7-f1b9-47b8-965c-f69df0789159> | 3.15625 | 120 | Knowledge Article | Science & Tech. | 53.247368 |
n: The letter "n" when used as a prefix
before a unit symbol indicates a multiplier of 10-9. Abbreviation of "nano".
E.g., nV = 10-9 volt, one nanovolt, one billionth of a volt.
nA: Symbol and abbreviation of nanoampere
(= 10-9 ampere, one billionth of an ampere).
nano: When used as a prefix before a
unit name it indic... | <urn:uuid:de6ae0c5-8442-4fad-bc99-b4a87a1858dd> | 3.390625 | 1,317 | Structured Data | Science & Tech. | 34.695766 |
Methyl mercaptanMethyl mercaptan is a colorless gas with a smell like rotten cabbage. It is a natural substance found in the blood, brain, and other tissues of people and animals. It is released from animal feces. It occurs naturally in certain foods, such as some nutss and cheese. The chemical formula for methyl merca... | <urn:uuid:cbe96730-eee3-447f-ae0f-fb926b6c6839> | 3.203125 | 151 | Knowledge Article | Science & Tech. | 49.907818 |
so i was reading the article about primitive data types and i came across litterals. so i understand the uses of the 8 primative types but i dont understand why you would do this below
float pi = 3.1415F;
long pi2 = 3141L;
does adding the extra 'F' / 'L' onto the value do anything ? i have been struggling to find infom... | <urn:uuid:31630c68-228a-4ecb-9f1d-5bd917816ca7> | 3.3125 | 149 | Q&A Forum | Software Dev. | 70.257143 |
Show that the work required to assemble
four identical point charges of magnitude q on the corners of a square of
side a is
To calculate the work to assemble any number of point charges you can proceed as follows:
- Numerate each charge.
- Assume charges are brought from an infinite distance.
- Charge 1 is brought firs... | <urn:uuid:59d49671-1dc7-467d-a99c-99d4d19ba321> | 3.328125 | 1,081 | Tutorial | Science & Tech. | 75.260201 |
It is being said by the end of this year the underground South Dakota laboratory in the US will start collecting data with a good chance to discover dark matter.
Dark matter is an elusive matter known only by its gravitational pull and is so far undetected. By discovering dark matter, scientists could explain how the w... | <urn:uuid:f1d477f1-849c-40cf-a761-305972c6ed53> | 2.6875 | 95 | Truncated | Science & Tech. | 40.436429 |
For some time, biologists have known that ecological communities made up of many species are particularly resistant to invasion by new species. The most obvious explanation is that the communities are stable because all the niches are filled and so there is no room for new species. But the obvious answer is wrong, acco... | <urn:uuid:bdd6927a-076d-4132-864b-cafe697879ab> | 3.25 | 204 | Truncated | Science & Tech. | 30.956434 |
We have been reading much about droughts, excessive rainfall and explanations of global warming, but another unpublicized factor enters the story of climatic change. Recall that several years ago an Icelandic volcano erupted and put so much ash into the sky that European air travel was disrupted for several days.
What ... | <urn:uuid:1f1b7be6-67b4-4cc6-b5b7-ce3674c54ed6> | 3.953125 | 372 | Nonfiction Writing | Science & Tech. | 54.915588 |
Consider the polarity of the ions released when the water decomposed.
Which gas collected at the cathode? Why?
(Oxygen. Oxygen ions are positive and the cathode is negative.
were there more hydrogen bubbles than oxygen bubbles? (Water
contains twice as many hydrogen atoms as oxygen atoms.)
did the chlorine gas generate... | <urn:uuid:cd44f6e9-b78e-451f-ade5-0468937ffc20> | 3.59375 | 152 | Tutorial | Science & Tech. | 40.240559 |
The polar bear has become the poster child of global warming, but there’s more to the Arctic than ice and polar bears. Beyond these two famous and prominent features of the Arctic environment, there is an entire intricate ecosystem of wildlife and plant life that will be profoundly affected by a prolonged warming trend... | <urn:uuid:bbb2f7f8-cfb7-403e-a6cd-1e00bd64f464> | 3.984375 | 1,005 | Knowledge Article | Science & Tech. | 44.000857 |
libpq is the C application programmer's interface to PostgreSQL. libpq is a set of library routines that allow client programs to pass queries to the PostgreSQL backend server and to receive the results of these queries. libpq is also the underlying engine for several other PostgreSQL application interfaces, including ... | <urn:uuid:aaa06f7f-40ad-46e6-b44b-83912be1fd71> | 2.875 | 176 | Documentation | Software Dev. | 51.460938 |
How do Z pinches contribute to a variety of scientific research projects?
Z provides the fastest, most accurate, and cheapest method to determine how materials will react under high pressures and temperatures, characteristics that can then be expressed in formulas called “equations of state.” Equations of state tell re... | <urn:uuid:1c9cf1d1-d505-41d1-ac40-4ebd58a3e6fe> | 4 | 985 | Knowledge Article | Science & Tech. | 30.301988 |
This document has the following sections:
What is an Indexer?
Goal of an indexer
The main goal of an indexer is to create and setup some resource
automatically. The resources can be created depending on their
name or their extension. Once the resource has been created, the
indexer is also in charge of attaching the rig... | <urn:uuid:a8f70524-9f68-4fbf-8df3-b1e0cb52d1bc> | 2.78125 | 757 | Documentation | Software Dev. | 45.149485 |
HTML 4.0 (the predecessor of 4.01) introduced something called frames, which split the browser's viewport up into different sections, each displaying a different webpage.
It was a good idea in concept, but the execution left a few things to be desired. Amongst the litany of woes:
Using the back button on a browser in f... | <urn:uuid:f15693ab-521a-48d7-b149-f9c82782f321> | 2.953125 | 700 | Comment Section | Software Dev. | 56.87876 |
The Chemical Abstracts Service
is part of the American Chemical Society
and maintains a database of chemical compounds and sequences. The CAS database currently contains over 55 million different organic and inorganic chemical compounds. Each CAS entry is identified by their CAS Registry Number, or CAS RN for short.
CA... | <urn:uuid:805c1377-d92d-49a3-a40e-cf01f2de3b76> | 3.375 | 272 | Knowledge Article | Science & Tech. | 52.089914 |
The codecs defines a set of base classes which define the interface and can also be used to easily write you own codecs for use in Python.
Each codec has to define four interfaces to make it usable as codec in Python: stateless encoder, stateless decoder, stream reader and stream writer. The stream reader and writers t... | <urn:uuid:b49e9300-7a5b-4564-b569-8f045480a69e> | 3.625 | 211 | Documentation | Software Dev. | 26.880849 |
This module provides regular expression matching operations similar to
those found in Perl. Regular expression pattern strings may not
contain null bytes, but can specify the null byte using the
\number notation. Both patterns and strings to be
searched can be Unicode strings as well as 8-bit strings. The
re module is ... | <urn:uuid:9d8eae3e-d2bc-470b-b1ac-bc0791fa2ede> | 2.765625 | 267 | Documentation | Software Dev. | 39.354013 |
Special & General Relativity Questions and Answers
Does anyone really understand general relativity well enough to have an intuitive grasp of the universe?
It is all a mater of perspective. Physicists and astronomers who spend all of their professional lives amass an enormous amount of intuition about the mathematics o... | <urn:uuid:c11a9cb5-3054-43d9-b693-7329c165494e> | 2.875 | 284 | Q&A Forum | Science & Tech. | 26.640448 |
|Navigate Language Fundamentals topic:)|
The previous chapter "Getting started" was a primer course in the basic of understanding how Java programming works. Throughout the chapter, we tackled with a variety of concepts that included:
- Objects and class definitions;
- Abstract and data types;
- Class-level and method-... | <urn:uuid:11f2776d-fdd2-4921-9709-187c87581a3d> | 4.15625 | 357 | Truncated | Software Dev. | 32.581113 |