text large_stringlengths 148 17k | id large_stringlengths 47 47 | score float64 2.69 5.31 | tokens int64 36 7.79k | format large_stringclasses 13
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A programming model found on many modern 32 bit systems.
It means that integers, longs, and pointers are all represented as 32 bit quantities.
That means if you wrote the following program in C:
printf("int: %d\n", sizeof (int));
printf("long: %d\n", sizeof (long));
printf("pointer: %d\n", sizeof (void *));
Compiling a... | <urn:uuid:e6d9508f-b07c-437f-8efd-919efde00fdc> | 3.484375 | 190 | Knowledge Article | Software Dev. | 65.909615 |
The dream of nanotechnology includes unbelievably tiny electronic devices — including medical devices that could work at the microscopic level. But how do you assemble nanoparticles into larger systems, like nanocrystals? You can't exactly use a pair of tweezers.
Instead, researchers create a solution of dissolved nano... | <urn:uuid:e98ceba5-6177-4f49-8baa-4bb3ce8fcad4> | 4.375 | 936 | Truncated | Science & Tech. | 27.679076 |
Jane N. Shields
Hi Again! You've just finished the lesson on radiation and the nuclear particles that are released from nuclides. Did you know that nuclear particles release usable energy? This energy source comes uranium pellets that are inserted into rods that undergo fission when bombarded by a neutron starter. So, ... | <urn:uuid:00defd09-2794-4bd2-b59e-035e66eb2665> | 3.6875 | 566 | Tutorial | Science & Tech. | 54.953684 |
Poyang Lake is situated in Jiangxi Province, around 50 kilometres north of the city of Nanchang. The Lake's basin is one of the People's Republic of China's most important rice-producing regions, but local inhabitants must contend with massive seasonal changes in water level, topped by regular severe floods.
Poyang Lak... | <urn:uuid:d2f8d1e7-8c1d-470e-a188-7b7b5f7351e3> | 2.96875 | 363 | Knowledge Article | Science & Tech. | 23.720416 |
Major Section: GUARD
The discussion of guards concludes here with a few miscellaneous
remarks. (Presumably you found this documentation by following a
link; see guards-for-specification.) For further information
related to guards other than what you find under ``guard,'' see
any of the following documentation topics: g... | <urn:uuid:4a81d301-65c4-4f02-8ffb-f6ef3c0eb9b0> | 2.71875 | 684 | Documentation | Software Dev. | 43.38768 |
Scientists Refute Argument Of Climate Skeptics
ScienceDaily (Jan. 10, 2009) — Scientists at the GKSS Research Centre of Geesthacht and the University of Bern have investigated the frequency of warmer than average years between 1880 and 2006 for the first time. The result: the observed increase of warm years after 1990 ... | <urn:uuid:aac3a2c7-ccfb-4a61-9fd5-0cdda4d3f8fb> | 2.765625 | 291 | Comment Section | Science & Tech. | 37.443937 |
Written by John Power
The Aleutian volcanic arc is comprised of at least 75 volcanic centers that extend more than more than 2500 km from Mount Spurr to Kiska (Fig. 1). The arc is the result of the subduction of the Pacific plate beneath the North American plate. Within historic times 40 of these volcanoes have produce... | <urn:uuid:1a418c92-8897-4cad-8496-3ac10663c973> | 3.328125 | 817 | Academic Writing | Science & Tech. | 38.204652 |
Gonochoristic- fish that maintain the same sex throughout their entire lifespan.
Induction- When one member changes sex due to lack (or removal) of the other sex; often when that individual is placed in a new environment.
Polygyny- a single, dominant male reproducing with a group of females (a harem).
Protandry- beginn... | <urn:uuid:f6579910-2627-4755-8f01-0bcf53e66ff8> | 3.03125 | 476 | Knowledge Article | Science & Tech. | 28.363771 |
G327.1-1.1 is the aftermath of a massive star that exploded and left behind a highly magnetic, rapidly spinning neutron star called a pulsar. This pulsar is producing a wind of relativistic particles, seen in X-rays by Chandra and XMM-Newton (blue) as well as in the radio data (red and yellow). The large red circle sho... | <urn:uuid:f433b2db-2690-4e5e-b6f9-5b14dc87e3ae> | 3.125 | 169 | Knowledge Article | Science & Tech. | 54.10995 |
The Effect of an Electromagnetic Field on Single-Celled Organisms
Purpose or Problem
The purpose is to determine if there is any effect in the behavior (the movement) of common one-celled organisms when in the presence of a static electromagnetic field.
There has been a great debate over the years as to whether or not ... | <urn:uuid:f68a2938-aa1e-4a0a-b51f-8f313b5fabd9> | 3.484375 | 1,087 | Tutorial | Science & Tech. | 39.719523 |
By Jon Miller | Post Date: August 31, 2009 12:45 PM | Comments: 5
Can you guess what the small squares on this map indicate? This is an image that has been distributed on science news websites during the past week. The picture has been cropped to hide some information. This map and the tiny squares offer a lot of hope ... | <urn:uuid:8459bb35-f768-4042-8bd9-0529a08ef523> | 3.015625 | 728 | Personal Blog | Science & Tech. | 58.495855 |
I witnessed this explosive breeding spectacle in two consecutive years (both times mid-December - see http://www.inaturalist.org/observations/36714) at Montagne d'Ambre. There were thousands of bright yellow frogs mating noisily in a very shallow pool (video clip with audio available on request).
What puzzles me is tha... | <urn:uuid:bbf7504b-e08b-468f-a8aa-bcd5aac962c8> | 2.78125 | 268 | Personal Blog | Science & Tech. | 37.98189 |
8. Shapes of Small Molecules and Proteins
Michael L. Connolly
Basically different methods have been used to study the shapes of small molecules and proteins. Tony Hopfinger has developed a method for small molecules that he calls "molecular shape analysis" and which involves comparing electrostatic fields (Hopfinger, 1... | <urn:uuid:f0209059-68c9-40da-9945-b597f09e1527> | 3.1875 | 1,724 | Knowledge Article | Science & Tech. | 33.117575 |
3.1. Creating UML Diagrams The following example will create a class diagram with the UML2 tools. Create a new java project "de.vogella.uml2.first" and a new folder "uml2". Right-click on the folder "uml2", select New-> Other. Select UML 2.1 Diagrams and then the "class diagram" as the type.
The TechRepublic CIO50 list... | <urn:uuid:00778733-4dd1-47e1-98a4-d3c09c1335d2> | 3.09375 | 273 | Tutorial | Software Dev. | 62.170044 |
This entry illustrates the intricate mineral structures that are formed by organisms (biomineralization). Biominerals are a composite of mineral and an organic component called the organic matrix. The organic matrix is believed to influence the architecture of the mineral aggregates and results in a vast array of beaut... | <urn:uuid:8f71e519-8a6f-4ffb-bf0f-6c08e089145f> | 3.109375 | 322 | Knowledge Article | Science & Tech. | 23.822043 |
Energy & Climate Change
Our modern society depends on affordable, reliable supplies of energy, both distributed for industrial and in-home use, and for transport. Developing countries most of which have been relatively energy-poor until recently are rapidly increasing their use of energy as their economies grow. The wo... | <urn:uuid:8204dd10-99dc-43bd-925f-bb4a74d6732a> | 2.921875 | 188 | Knowledge Article | Science & Tech. | 21.913636 |
geckzilla wrote:You could always cool off like a kangaroo. Dig a little hole to lay in under a bush or tree and lick your forearms all over.
Hah, meteors are like cockroaches, then. You see one, there must be more lurking... Expert Chris Peterson dispels the myth! Well, sort of, anyway.
http://www.kktv.com/news/headlin... | <urn:uuid:6a572d54-029f-4df9-b923-3eb297e8dfa3> | 2.796875 | 906 | Comment Section | Science & Tech. | 52.917901 |
#include <stdio.h>char *cuserid(char *s);
The cuserid() function generates a character-string representation of the login name under which the owner of the current process is logged in. If s is a null pointer, this representation is generated in an internal static area whose address is returned. Otherwise, s is assumed... | <urn:uuid:a762e88d-b7dc-4c2c-8017-2572b600aaeb> | 2.796875 | 203 | Documentation | Software Dev. | 50.289869 |
A number of survey stations are in use in the Ross Sea Region by both the USAP and NZAP. All of the survey stations have been visited to connect and unify all current survey datums in use in the area to establish a network of survey stations surveyed with GPS. In 2000, Land and Information New Zealand (LINZ) implemente... | <urn:uuid:49d44370-f27c-4b5f-9577-6e3f94809c7b> | 3.09375 | 459 | Knowledge Article | Science & Tech. | 47.345029 |
Carbon Molecular Sieve and Producing Nitrogen Lasers
First invented in 1960 the laser was first called the solution looking for a problem. More than fifty years later lasers have become an invaluable part of human technology. Today uses for lasers range from being used in material processing endeavors such as laser cut... | <urn:uuid:ae087005-5ba5-4cad-aa4f-07165c8ee4d4> | 3.625 | 501 | Knowledge Article | Science & Tech. | 40.520693 |
ev_async_send() not trigerring corresponding async handler in target loop ?
py.kerembellec at gmail.com
Tue Dec 29 16:29:59 CET 2009
> Your experience is interesting, but I have a question: why do you need
> threads in event-driven machine? I just tested my app based on libev,
> it works as followed:
> for (i = 0; i < ... | <urn:uuid:773143be-0dc1-48ab-8c45-3ab4dc890fcf> | 2.78125 | 396 | Comment Section | Software Dev. | 52.202473 |
I have an elementary question about the history of $\pi$. I thought the answer would be easy to find. But, to the contrary, after quite a bit of searching and after consulting math historians, I have been unable to find a satisfactory answer.
Who first proved that $C/d$ is independent of the choice of circle ($C$ and $... | <urn:uuid:17fe8528-3c45-4076-81a7-9ab052a000f1> | 2.875 | 802 | Q&A Forum | Science & Tech. | 68.601718 |
2.2.3. Photoionization Modeling
Photoionization modeling is a necessary component of any abundance analysis. We have seen that the bright line method relies on calibrations from photoionization models as do ionization correction factors in the direct method. Thus, it might be misleading to give modeling a separate cate... | <urn:uuid:6f9a2feb-8d14-4ff6-bb80-adc340d86e40> | 2.703125 | 514 | Academic Writing | Science & Tech. | 22.611706 |
The IRC protocol doesn’t define a specific encoding that should be used, nor does it provide any information on which encodings are being used.
At the same time, lots of different encodings have become popular on IRC. This presents a big problem, because, if you’re using a different encoding than someone else on IRC, y... | <urn:uuid:da1692d8-3474-4b8b-be91-675f710fa743> | 2.765625 | 626 | Documentation | Software Dev. | 50.631579 |
If we could look at a nearby black hole, we would see that it wraps around itself an infinite series of annuli, each containing a complete and distorted image of the sky. This is quite different from the image of the sky produced by the gravitational lens of a star, which creates at most two images of the sky immediate... | <urn:uuid:5d15e1e1-fd63-4df1-a26d-f1d384f66546> | 4.0625 | 1,030 | Knowledge Article | Science & Tech. | 51.290341 |
Quantum mechanics must be one of the most successful theories in science. Developed at the start of the twentieth century, it has been used to calculate with incredible precision how light and matter behave – how electrical currents pass through silicon transistors in computer circuits, say, or the shapes of molecules ... | <urn:uuid:9d5d60ef-feb0-4552-905e-376baa12a047> | 3.28125 | 844 | Nonfiction Writing | Science & Tech. | 35.407997 |
Australian Water Information Dictionary
Describes a landscape within the GDE Atlas that is wetter than surrounding areas either seasonally or permanently, because it receives water from inflows in addition to rainfall. IDs include groundwater dependent ecosystems as well as ecosystems which use sources of water other t... | <urn:uuid:3a654c4c-60e5-4ed1-9742-8f78bbf82b46> | 2.953125 | 130 | Knowledge Article | Science & Tech. | 31.430128 |
SpirogyraArticle Free Pass
Spirogyra, genus of green algae, found only in fresh water and usually free-floating. The slippery unbranched filaments are composed of cylindrical cells containing one or more beautiful spiral green chloroplasts, from which the genus gets its name. The nucleus is suspended in the central vac... | <urn:uuid:b19d01ad-c805-4a28-a6eb-83601feedc31> | 3.546875 | 240 | Knowledge Article | Science & Tech. | 39.9026 |
In this age of rapidly evolving technology, DNA sequences can be analysed by computers, and machines can separate hundreds of proteins at once. This makes it is easy to forget that the genetic code isn’t simply a series of letters, and that proteins aren’t just what we get out of eating poultry. They are physical and c... | <urn:uuid:b12c06f0-8987-492e-aee6-b54b10be60c3> | 3.921875 | 210 | Truncated | Science & Tech. | 48.457911 |
The Sun is our closest star. It is a member of the Milky Way galaxy. The diameter of the Sun is 1,392,000 kilometers.
It is believed to be over 4 billion years old. The Sun is a medium
sized star known as a yellow dwarf. The
Sun spins slowly on its axis as it revolves around the galaxy.
The Sun is a large ball of gas c... | <urn:uuid:135ea8b1-3969-4039-9c39-b61e5b865ecc> | 3.890625 | 505 | Knowledge Article | Science & Tech. | 62.443182 |
THE rare discovery of a fossil embryo has cleared the name of a dinosaur called "egg stealer". Oviraptor, first discovered apparently making a meal of another dinosaur's eggs, was, it now turns out, simply trying to hatch its own offspring.
In 1923, an expedition from the American Museum of Natural History in New York ... | <urn:uuid:33c057b0-5f5f-407b-b636-e8e604d1b2a1> | 3.546875 | 225 | Truncated | Science & Tech. | 50.876072 |
Measuring Surface Tension
Date: May 2006
What are the measurements you use to find the
surface tension of a liquid?
There are many methods for measuring the surface tension of liquids.
Each has its advantages and limitations. There is a reason why there
are different methods -- surface tension is a very complicated
pro... | <urn:uuid:a8495798-643f-4d98-a847-c86600d6ae79> | 3.921875 | 598 | Knowledge Article | Science & Tech. | 35.994817 |
An international team of scientists today published the first analysis of the genome sequence of Glennie, a female duck-billed platypus from Australia. Because the platypus occupies a unique branch on the tree of life, Glennie's genome could provide important clues about how humans and other mammalian species evolved.
... | <urn:uuid:93580ee4-5bdc-41d9-b88b-0edb765a60f3> | 3.46875 | 152 | Knowledge Article | Science & Tech. | 24.85279 |
It is built to peer farther into space than the Hubble can and measure and observe objects in space from the early Universe. Since it's mission is to study objects farther into space, the size, its orbit and the mirrors of the telescope, the instruments on the James Webb Space Telescope are different from those in the ... | <urn:uuid:ea2d0a96-f809-4ea7-a03c-62c381142ea9> | 3.96875 | 505 | Knowledge Article | Science & Tech. | 27.986738 |
FOSSIL BATS OF THE AMERICAS
SB 1A/Live Oak
The SB 1A/Live Oak LF was collected from a limestone mine just north of Live Oak in Suwannee County, northern Florida. Arikareean fossils were derived from fine-grained sediments filling a solution feature developed in marine Oligocene limestone (Frailey 1978). Frailey (1978) ... | <urn:uuid:39122837-5946-4e31-804e-a045b77cb292> | 2.71875 | 631 | Knowledge Article | Science & Tech. | 30.26 |
Swimming in the rain: novel untethered vehicle catches 'marine snow' falling through the sea.Twilight zones, witch hunts, and crossbows usually don't find their way into tales about new oceanographic instruments. This story isn't typical, but it does start in the usual way, with oceanographers striving to coax secrets ... | <urn:uuid:9fced92f-bc4a-420b-924d-8685b5591d70> | 3.234375 | 2,873 | Truncated | Science & Tech. | 50.811786 |
Source: Underwater Times
December 17, 2012
BUFFALO, New York -- Coral colonies that suffered tissue damage in The Bahamas were still producing low numbers of eggs four years after the injuries occurred, according to new research by University at Buffalo scientists. Tiny sperm-producing factories called spermaries were... | <urn:uuid:f960c41f-ecfd-4f82-a53a-b4ffde828126> | 2.890625 | 237 | Truncated | Science & Tech. | 42.750443 |
Not something you see everyday — a snow-covered desert. The Taklimakan Desert in western China, the country’s largest desert, was covered with snow after a storm swept through the area in late December 2012 and continued into early January (the area also received snow in 2008). The cold wave hit different parts of Chin... | <urn:uuid:fe43426e-8b7f-4849-a636-975e8de9c0bb> | 2.90625 | 188 | Knowledge Article | Science & Tech. | 38.553006 |
a1 United Nations Environment Programme World Conservation Monitoring Centre, 219 Huntingdon Road, Cambridge, CB3 0DL, UK.
a2 Geographic Information Science Center of Excellence, South Dakota State University, Brookings, USA
a3 Program on Food Security and the Environment, Stanford University, Stanford, USA
Forest loss... | <urn:uuid:959b0076-1446-4154-9ce1-cb8fef0ba3ec> | 3.5625 | 350 | Academic Writing | Science & Tech. | 45.870481 |
The author takes us on an aerial view of the mighty Colorado River, providing water to 30 million people but running almost dry when it reaches the sea.
From the seat of a small jet plane I can place my hand against the window and parts of the Colorado River disappear. This isn’t like anytime I’ve flown before. There a... | <urn:uuid:c05e83bb-de51-4b9c-b393-3d68d0bd0e2e> | 2.796875 | 680 | Truncated | Science & Tech. | 59.457612 |
Three points have coordinates o(0,0), A(5,0) and B(7,6). If P is the point (x,y) where y>0, calculate the value of x and y given that AP=BP and that the area of the triangle AOP is 10sq. units.
Three points have coordinates: .
If where , calculate the value of and.
given that and that the area ofCode:| (x,y) (7,6) | P ... | <urn:uuid:876dd860-2ad5-4359-a8d8-434cba0ffa0c> | 3.21875 | 281 | Tutorial | Science & Tech. | 102.606085 |
Woodley, Jeremy D.; De Meyer, K.; Bush, P.G.; Ebanks-Petrie, G; Garzon-Ferreira, J.; Klein, E.; Pors, L.; Wilson, C.
Author Affiliation, Ana.
Centre for Marine Sciences
Status of coral reefs in the south-central Caribbean
Status of coral reefs of the world
Place of Publication
Australian Institute of Marine Sciences
Da... | <urn:uuid:d6d4ca19-8ad1-4681-bece-de5345573904> | 2.984375 | 283 | Structured Data | Science & Tech. | 30.406782 |
Problem 305Published on Sunday, 10th October 2010, 04:00 am; Solved by 402
Let's call S the (infinite) string that is made by concatenating the consecutive positive integers (starting from 1) written down in base 10.
Thus, S = 1234567891011121314151617181920212223242...
It's easy to see that any number will show up an ... | <urn:uuid:e6e58ab3-d23a-47fa-92e1-4d52eda984b9> | 3.171875 | 160 | Tutorial | Science & Tech. | 102.20875 |
As has been hinted in many previous posts, many facts about algebraic number theory tell us about geometric objects like elliptic curves. For instance, if you are working on a problem which primarily uses the affine geometry of a curve like the semistable reduction theorem for elliptic curves, the scheme you’re working... | <urn:uuid:8a5aee80-305d-4d5b-aec6-15daf2c6c63b> | 2.703125 | 2,081 | Academic Writing | Science & Tech. | 40.211847 |
This week, animal rights group PETA announced the group would offer a million-dollar prize for the development of commercially-viable 'test-tube meat' -- real meat grown through a lab process, not from a live animal. The prize money would be awarded to the contest participant able to make the first in vitro chicken mea... | <urn:uuid:bcf0c105-71bb-493d-9415-d9429c5b4fd6> | 2.96875 | 255 | Truncated | Science & Tech. | 33.966284 |
NET talk => F# language => Topic started by: Patriiick on November 19, 2010, 01:23:39 PM
F# (pronounced F Sharp) is a multi-paradigm programming language, targeting the .NET Framework, that encompasses functional programming as well as imperative and object-oriented programming disciplines. It is a variant of ML and is... | <urn:uuid:f467deae-39c8-4911-8bbe-de41909c4906> | 2.703125 | 270 | Comment Section | Software Dev. | 61.250158 |
An Aerospace Simulation Scenario
The Aerospace simulation uses initial resource deposits as estimated by British Petroleum (BP). Total initial deposits were 1.3 × 1012 tons of coal, 1.2 × 1012 barrels of oil, and 3.3 × 106 tons of uranium ore at the end of 2006. When the simulation is run, shortages of essential resour... | <urn:uuid:baf287e3-a215-4f6b-a925-69ef46d9b659> | 3.34375 | 300 | Knowledge Article | Science & Tech. | 33.685814 |
A magpie with yellow mark used in a mirror self-recognition experiment. Magpies can recognize themselves in a mirror, highlighting the mental skills of some birds and confounding the notion that self-awareness is the exclusive preserve of humans and a few higher mammals.
(Institute of Psychology, Goethe University, Fra... | <urn:uuid:906d94cc-9584-4f92-95a7-92f13ebffbed> | 3.578125 | 538 | Truncated | Science & Tech. | 47.952208 |
Six-spot burnet moth (Zygaena filipendulae)
|Size||Wingspan: 25-40 mm (2)|
The six-spot burnet moth is not threatened (2).
The six-spot burnet moth (Zygaena filipendulae) is a brightly coloured day-flying moth. Its bright colours warn potential predators that it is poisonous. The blackish forewings have a metallic shee... | <urn:uuid:c5d379d4-a276-4742-8d0b-e6cd9e743713> | 3.5625 | 798 | Knowledge Article | Science & Tech. | 54.434093 |
As everyone in the world knows by now, the U.N.'s IPCC, its Climategate scientists, other consensus-only "scientists", and the mainstream media have put all their money on the human CO2-horse that "causes" global warming. Unfortunately, the IPCC political agenda of proving human CO2 emissions are the cause of global wa... | <urn:uuid:ed13ee71-7625-46e2-b342-53cacc807e0b> | 3.078125 | 409 | Personal Blog | Science & Tech. | 39.150368 |
As shown, rod AB is subjected to the loading of two blocks, each of weight W (and where we neglect the mass of the pulley). The loading creates a normal strain in the rod given by , where z is measured in inches. This strain corresponds to the total deformation in the rod given by ΔB = 2.00 in.
a. Determine the initial... | <urn:uuid:41e7f55e-d4bb-4984-8104-c4cba4fbb6d4> | 3.125 | 100 | Q&A Forum | Science & Tech. | 79.755385 |
Looking Beyond Ethanol
Researchers are trying to domesticate Mother Nature and use "super bugs" like E. coli microbes for fuel.
October 23, 2008
Researchers are trying to domesticate Mother Nature and use “super bugs” like E. coli microbes for fuel.
"Nature is stubborn. It doesn't like to be tampered with,” the Wall St... | <urn:uuid:ec329d23-f8e1-45dd-89bd-5a167c7b0fcd> | 2.984375 | 569 | Truncated | Science & Tech. | 57.08901 |
Found 10 - 20 results of 44 programs matching keyword "model of the atmosphere of saturn"
Dr. Stephen H. Schneider joins us to discuss climate change. Dr. Schneider was honored in 1992 with a MacArthur Fellowship for his ability to integrate and interpret the results of global climate research through public lectures, ... | <urn:uuid:9aecb121-62a6-48d1-a7d8-75ca762e0fee> | 3 | 542 | Content Listing | Science & Tech. | 50.390962 |
This image depicting the porosity of the lunar highland crust was derived using bulk density data from NASA's GRAIL mission and independent grain density measurements from NASA's Apollo moon mission samples.SA/JPL-Caltech/ IPGP
This map shows the gravity field of the moon as measured by NASA's GRAIL mission. The viewin... | <urn:uuid:7db54518-1a32-49ed-90fd-deb5dfb80af0> | 4.21875 | 373 | Truncated | Science & Tech. | 41.728563 |
A turn can be subdivided in many different ways: into half turns, quarter turns, centiturns, milliturns, binary angles, points etc.
A turn can be divided in 100 centiturns or 1000 milliturns, with each milliturn corresponding to an angle of 0.36°, which can also be written as 21'36". A protractor divided in centiturns ... | <urn:uuid:1ac2723c-20d5-4244-b721-62c3c11bf9fa> | 3.921875 | 747 | Knowledge Article | Science & Tech. | 54.705277 |
Kinematic Self-Replicating Machines
© 2004 Robert A. Freitas Jr. and Ralph C. Merkle. All Rights Reserved.
Robert A. Freitas Jr., Ralph C. Merkle, Kinematic Self-Replicating Machines, Landes Bioscience, Georgetown, TX, 2004.
Prions have been described by Prusiner as “the only known example of infectious pathogens that... | <urn:uuid:39e1dcde-15fe-4cd0-85ce-cc783c9418ab> | 2.96875 | 643 | Academic Writing | Science & Tech. | 34.133333 |
Information on Photosynthesis
by Suzanne McCullough White
The word "photosynthesis" means "put together by light." It is the chemical process by which green plants and certain types of algae convert light energy into food and oxygen. Photosynthesis is one of the most important chemical processes on Earth.
All green pla... | <urn:uuid:d45dee47-d1e0-4ee9-988f-49d69420a4f5> | 4.0625 | 460 | Knowledge Article | Science & Tech. | 46.420445 |
Standard State: Presumably a solid at 298 K
Color: Unknown, but probably metallic and silvery white or gray in appearance
Bohrium is a synthetic element that is not present in the environment at all. The
German discoverers at GSI proposed the name Nielsbohrium (symbol Ns) after Niels Bohr.
IUPAC is happy to name an ele... | <urn:uuid:b4f5875a-a3be-492b-b9bf-8f54e0e17697> | 3.296875 | 166 | Knowledge Article | Science & Tech. | 43.3928 |
For those whose curiosity has been piqued by the Himalayan glacier error in the IPCC’s report, Nature magazine has a great article on the real holes in climate science. Far from undermining climate science, though, it underlines the importance of continuing research.
The story notes that the IPCC highlights 54 ‘key unc... | <urn:uuid:aea87325-d458-456b-bcb4-2e59d136c6fe> | 2.9375 | 627 | Personal Blog | Science & Tech. | 29.706214 |
Note: If you're not sure what a dialog box is then have a read of What Is a Dialog Box?
A message box is a simple pop-up window that displays a message to the user and is dismissed with the click of a button. To avoid having to build your own dialog box from scratch, the JOptionPane class provides methods to make a var... | <urn:uuid:f0333b75-662a-448e-bed2-5ece614be8d4> | 3.140625 | 751 | Tutorial | Software Dev. | 52.971419 |
The crystallography restriction states that any 2-dimensional lattice can have rotational symmetry of degree 1, 2, 3, 4 or 6 - and that's it. A simple proof of I've heard of this is: the magnitude of $rot_\theta(x)-x$ is less than the magnitude of $x$ if $\theta$ is less than $\pi / 3$. (So if there's a rotation by les... | <urn:uuid:71d64d88-ea47-472a-a1a8-8343878bff87> | 2.734375 | 222 | Q&A Forum | Science & Tech. | 56.072543 |
Geoengineering To Mitigate Climate Change
The American Meteorological Society recently issued a statement regarding the feasibility of geoengineering our climate to mitigate climate change.
Geoengineering could lower greenhouse gas concentrations, provide options for reducing specific climate impacts, or offer strategi... | <urn:uuid:b216d6b7-36da-429e-bff8-6aaf5ae57dee> | 3.125 | 1,354 | Content Listing | Science & Tech. | 38.263849 |
The mission objective of the Voyager Interstellar Mission (VIM) is to extend the NASA exploration of the solar system beyond the neighborhood of the outer planets to the outer limits of the Sun's sphere of influence, and possibly beyond. This extended mission is continuing to characterize the outer solar system environ... | <urn:uuid:da48153c-0b28-4a18-9430-4dc06e57aa7e> | 3.46875 | 1,056 | Knowledge Article | Science & Tech. | 54.275684 |
We can make this one easier by finding the volume within the sphere
but above the cone and subtracting the result from the volume of
the upper hemisphere. Since the sphere has radius 2, it's volume is
4/3 pi (2)^3 = 32pi/3. Hence the hemisphere volume is 16pi/3. Now
we compute the part we have to subtract. The differen... | <urn:uuid:2b097671-7ef0-4f2a-8625-291231da0d05> | 3.609375 | 418 | Q&A Forum | Science & Tech. | 111.36236 |
In a discovery that could promise a quick fix to the common hangover a team of researchers led by UCLA engineers has identified a method for speeding up the body's reaction to the consumption of ... - Read More
In the search for renewable alternatives to gasoline heavy alcohols such as isobutanol are promising candidat... | <urn:uuid:602122a1-6753-4824-b156-b7a21ed61534> | 2.734375 | 842 | Content Listing | Science & Tech. | 42.058075 |
Particle Worldline Model Documents
This material has 2 associated documents. Select a document title to view a document's information.
The Particle Worldline model computes and displays the trajectory of a test particle in the vicinity of a black hole using Schwarzschild coordinates. It was created for the study of Ein... | <urn:uuid:197f80e9-47cf-4ffd-ae44-3becdbbbb9d9> | 2.734375 | 334 | Knowledge Article | Science & Tech. | 43.023143 |
A Swedish company wants to make burials more eco-friendly, and they're doing it by freezing dead people in liquid nitrogen, shattering them into dust with focused sound waves, and then sucking all the leftover moisture out with a vacuum.
Traditional funerals are apparently pretty bad for the environment. Embalming flui... | <urn:uuid:b2aa371e-627d-4be4-b25d-4f8b9fec3675> | 2.796875 | 360 | Personal Blog | Science & Tech. | 47.384161 |
Michael J. Tyler
with the assistance of the Editorial Advisory Committee
Wildlife Australia, April 1997
ISBN 0 642 21400 X
Recovery Outline No. 2: Yellow-Spotted Tree Frog
2. Scientific Name
Litoria castanea (L. flavipunctata)
3. English Name
Yellow-Spotted Tree Frog
4. Intraspecific taxa:
None recognised, but it is co... | <urn:uuid:2dac16e9-6b96-4d03-b860-1328cc704a4f> | 2.796875 | 861 | Knowledge Article | Science & Tech. | 41.780031 |
Lightword Theme by Andrei Luca
This website is titled how does wind energy work and it's aim is to discuss ways in which wind energy has been used, is currently used and is likely to be utilized to generate power through the coming years, well in to the future, for whether we like it or not wind power is certainly here... | <urn:uuid:8452fe01-c8eb-43ef-8894-1a81831ca4c9> | 3.0625 | 593 | Knowledge Article | Science & Tech. | 52.000043 |
Sponges regain their tag of most primitive animal on Earth
There was a mad rush to get to the base of animal tree of life in the past twelve months, in order to establish most primitive animal on our planet, with many phylogenomics studies contradicting each other. In April 2008, Cassey dunn et el published their famou... | <urn:uuid:f1e30a0e-6a57-45c8-99ec-fb2d6ae26042> | 3.46875 | 1,766 | Personal Blog | Science & Tech. | 35.123628 |
As Discharge increases, does bed load increase?
Suspended loads increase dramatically with discharge, so I would expect that the bed load would increase as well. Bed loads are difficult to observe and measure though, so we have few data on the subject. Measurements on the Niobrara River near Cody, Nebraska, however, ha... | <urn:uuid:19a4a550-53f3-4567-8225-1d9eb6d63648> | 2.6875 | 158 | Q&A Forum | Science & Tech. | 38.485 |
This was posted on another list by Herbert Borteck. It is reposted
here with permission. It seems to pertain very strongly to how the
Scientific method and peer review work.
All humans have social and psychological problems which interfere
with their attempts to be objective. When new ideas and
modifications of old the... | <urn:uuid:70663a9f-90cd-4504-9a0b-4b640c52885f> | 2.890625 | 1,097 | Comment Section | Science & Tech. | 44.879186 |
Endangered Plants of Antarctica
Corals, Jellyfish, and Sea Anemones
Click on the species name to view all info that is currently available.
|Borneo Teak||Africa, Asia, Australia, Europe, Oceanic|
|Cycas spp. (3)||Asia, Australia, Oceanic|
|Podocarpus spp. (2)||Oceanic|
|Zanthoxylum spp.||Central America, North America,... | <urn:uuid:f7781875-abcb-4715-9153-cd9009afdd18> | 2.953125 | 279 | Content Listing | Science & Tech. | 34.776989 |
El Modelo de Objetos de Gambas
1. Objetos y clases
es una estructura de datos que provee propiedades
Esta estructura de datos se describe a través de una clase
Cada objeto de Gambas
dispone de una clase
que describe todas sus propiedades públicas, métodos y eventos.
Esta clase a su vez es un objeto también, cuya clase ... | <urn:uuid:94ecd07d-79c0-43a3-b513-90e098aecbc8> | 3.84375 | 1,506 | Documentation | Software Dev. | 51.995091 |
I have read that Marconi, aboard his yacht called “Electra” (or something like that) was known to do strange experiments such as “anti-gravity” experiments and sending signals into space.
I also read that Marconi might have formed a secret group of scientists in South America working for peace and science. Apparently a... | <urn:uuid:01ed8057-3cb9-46e8-b8ce-2559a4d5d3bd> | 2.6875 | 338 | Comment Section | Science & Tech. | 50.95876 |
Young Chimps' Photographic Memory Better than Adult Humans
"In a memory competition of man versus chimp, Japanese researchers found that chimpanzees performed better than humans.
"No one could imagine that chimpanzees -- young chimpanzees at the age of 5 -- have a better performance in a memory task than humans," Kyoto... | <urn:uuid:f2987cc7-8878-41ec-9224-f7ac65f4fe13> | 3.234375 | 278 | Personal Blog | Science & Tech. | 38.673848 |
The <body> is where the bulk of your web page is. Almost everything
you've seen on web pages is done in between two body tags. But there are
also a few things that are set within the actual <body> tag. You'll
see what I mean in a little bit. Within the <body> tag you can set the
background picture, background color, te... | <urn:uuid:f7f9baf7-7161-4503-996a-9c641b13f15c> | 2.796875 | 704 | Tutorial | Software Dev. | 79.561991 |
Hi, I need some help on this question.
A unifom lamina ABCEF is obtained from a rectangle ABCD with AB = CD = 8cm and BC = AD = 6cm, by removing the triangle EDF, where E and F lie on CD, AD respectively, with CE = 2cm and AF = 3cm.
1. Find the distance of the centre of mass of the lamina ABCEF from AB and AD.
2. The l... | <urn:uuid:fdb04fc5-3976-4c30-b43d-fd68975fa609> | 2.796875 | 132 | Q&A Forum | Science & Tech. | 86.26125 |
Like any other form of matter gas molecules feel the gravitational pull of the planet they surround, so they're attracted to the planet by gravity. At any temperature above absolute zero the atoms/molecules in a gas have a velocity distribution known as the Maxwell-Boltzmann distribution. As long as their velocities re... | <urn:uuid:45a6f037-7e44-4b48-b256-225ddb35373f> | 3.96875 | 475 | Q&A Forum | Science & Tech. | 38.673059 |
There's a natural cause that may account for much of the Arctic warming, which has melted sea ice, ice sheets and glaciers, according to a study published Thursday in the journal Nature. New research points a finger at a natural and cyclical increase in the amount of energy in the atmosphere that moves from south to no... | <urn:uuid:858652f5-b19a-44b2-b2de-18bdb1fdf30d> | 3.015625 | 326 | Personal Blog | Science & Tech. | 46.462431 |
Science Fair Project Encyclopedia
- The pound (avoirdupois).
- The troy pound.
- The metric pound, no longer officially sanctioned but still in informal use in some places.
Standards bodies define the pound as a unit of mass, which are the pounds most people in everyday usage use as a unit of weight.
The Latin word lib... | <urn:uuid:9f07b6b7-9c9a-45c7-a6cb-0e9b8b6f1027> | 3.625 | 2,605 | Knowledge Article | Science & Tech. | 55.389421 |
Piecing Together Life’s Potential
Interview with Carol Stoker
Carol Stoker, a planetary scientist at NASA’s Ames Research Center, is a team member for the upcoming Phoenix Lander. This mission, launching in 2007, aims to land in the high northern latitudes of Mars to search for frozen water and any indications of past ... | <urn:uuid:4e260806-c517-48c0-b791-2c8587d5883f> | 2.75 | 2,713 | Audio Transcript | Science & Tech. | 47.456454 |
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.
use in nuclear reactors
...of this policy is the Canada Deuterium Uranium (CANDU) reactor—a line of natural uranium-fueled reactors moderated and ... | <urn:uuid:1502c728-5705-4781-97ad-531e34627fb2> | 3.390625 | 149 | Knowledge Article | Science & Tech. | 48.907987 |
hi.. i have a question regarding Swapping of characters in a string that uses stringbuffer.. like StringBuffer codestring="abcdefghijkl"..how do i swap the char 'a' with 'd' in the string so that final string is like.. codestring="dbcaefghijkl"..
how do i swap the char 'a' with 'd' in the string this sentence.Poster do... | <urn:uuid:a3298996-d6af-42b8-b27f-9e1fa4ebf1ab> | 3.15625 | 332 | Q&A Forum | Software Dev. | 71.510628 |
The programming language should handle the business logic – get the stuff out of the database, make some decisions about it based on the other known factors, and end up with the data you want to display, described in a way which is comprehensible and reusable to the programming language, retaining the metadata obtained... | <urn:uuid:9691b230-8ddb-4bbc-9a83-1dae5de9e317> | 2.78125 | 803 | Documentation | Software Dev. | 36.526669 |
Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °
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A common misconception (I think) is that if you've got a set of permuatuations (which are open to variation that could mean that they're not all distinct) the simple way to find out how... | <urn:uuid:981d1763-8928-4f0d-99f0-e911b2e696e3> | 2.75 | 235 | Comment Section | Science & Tech. | 69.06 |
LAST winter, Florida got so cold that torpid iguanas fell from trees, pythons froze to death, crops were damaged and corals in the seas around the Florida Keys died in greater numbers than ever recorded before. Further north, heavy snowstorms caused chaos across much of the US.
Across the pond in the UK, it got pretty ... | <urn:uuid:6f35b029-c9a8-4e03-af94-844c3ea8171b> | 2.765625 | 215 | Truncated | Science & Tech. | 62.836335 |
Modern imaging technology has widened our knowledge and appreciation of the world more than we could have ever imagined.
Scientists can now explore far beyond the reaches of the human eye, without damaging the specimens they study. Microscopes and X-ray technology enable us to see down to the molecular if not atomic le... | <urn:uuid:4ea3bc59-3947-43b6-aac3-742fbea5c2eb> | 3.9375 | 303 | Knowledge Article | Science & Tech. | 41.77596 |
Pages: 1, 2
Now What do I do With It?
There are two approaches you can take to your SOAP education. One is to regard SOAP simply as a featureful, remote-procedure mechanism. It's useful in that role. Many organizations are rolling out internal applications that rely on SOAP as a public programming interface. SOAP's por... | <urn:uuid:6ad508ad-2eb4-4ceb-90c2-ac905b2d21b9> | 3.09375 | 790 | Documentation | Software Dev. | 43.218386 |
|The heliosphere is the region of space governed by the Sun. It is filled with plasma from the Sun in the form of the solar wind. Outside the heliosphere is plasma from other stars (interstellar space). The heliopause marks the division between the solar plasma and the interstellar plasma. This is where the pressure of... | <urn:uuid:76abf699-fa8a-444e-893b-2dc0ac762870> | 4.125 | 397 | Knowledge Article | Science & Tech. | 32.534096 |
Want to stay on top of all the space news? Follow @universetoday on Twitter
Object Name: Messier 73
Alternative Designations: M73, NGC 6994
Object Type: Four Star Asterism
Right Ascension: 20 : 58.9 (h:m)
Declination: -12 : 38 (deg:m)
Distance: 2.5 (kly)
Visual Brightness: 9.0 (mag)
Apparent Dimension: 2.8 (arc min)
Lo... | <urn:uuid:33c57ea7-d5f6-442f-80ff-a080ec47070c> | 2.828125 | 1,169 | Knowledge Article | Science & Tech. | 63.782825 |
Graduate Student Michael McDonald Studies Herbivores as Architects: Moose and Black-throated Blue Warblers in Northeastern Forests
- By Michael McDonald
In the course of a single year, the temperate hardwood forests of New Hampshire’s White Mountains and foothills transition from a quiet, leafless winter corn maze of g... | <urn:uuid:bb9e7498-73bd-4362-beef-fd399bed166b> | 3 | 783 | Academic Writing | Science & Tech. | 27.351855 |
Partial Derivatives of Functions (continued)
Physical Interpretation of the partial derivative ∂f(x,y)/ ∂y
Consider a surface S given by z = f(x,y). The intersection of the plane, PL,
x = constant with the surface, S, defines the curve of intersection, C. Let the
tangent line to C at point P with coordinates (a, b, c) ... | <urn:uuid:393b0f5a-4e5c-4cb7-91a5-3e86c9936822> | 3.40625 | 256 | Academic Writing | Science & Tech. | 67.136949 |
By Tushna Commissariat
Earlier this week, NASA’s $1bn Curiosity rover landed on Mars and successfully started sending back data. The mission has taken a mammoth team of hundreds of scientists and engineers more than eight years to build and it promises to provide new insights into the Martian landscape while looking fo... | <urn:uuid:a2f3176d-4376-4b5b-8302-1eb49b728d7b> | 3.046875 | 553 | Listicle | Science & Tech. | 42.926967 |
common name: alligatorweed thrips (suggested)
scientific name: Amynothrips andersoni O'Neill (Insecta: Thysanoptera: Phlaeothripidae)
Introduction - Distribution - Description - Life Cycle - Hosts - Economic Importance - Selected References
Alligatorweed, Alternanthera philoxeroides (Mart.) Griseb. (Amaranthaceae), is ... | <urn:uuid:7171fbc9-e489-4dbb-9a84-4002e9f464f3> | 3.40625 | 1,634 | Knowledge Article | Science & Tech. | 39.241968 |
Read the full story from the University of Missouri.
Carbon nanotubes (CNTs) are some of the strongest materials on Earth and are used to strengthen composite materials, such as those used in high-performance tennis rackets. CNTs have potential uses in everything from medicine to electronics to construction. However, C... | <urn:uuid:493368a6-d654-41ff-b3fa-132db979da50> | 3.484375 | 122 | Truncated | Science & Tech. | 34.868912 |
Gilbert Martínez has his work cut out for him. A reef ranger for the Belize Department of Fisheries, he spends his days patrolling a 87,000-acre Marine Protected Area called Glover’s Reef, an azure paradise of an atoll about 28 miles from the country’s mainland. I met him while reporting for an article in Tuesday’s Sci... | <urn:uuid:6d95f3ce-b065-4597-afac-0c5b02d99489> | 2.75 | 709 | Personal Blog | Science & Tech. | 54.203664 |
A charged particle in a magnetic field is spiralling along a path defined in cylindrical coordinates by
r = 1 m and
Theta = 2z rad (z is in meters).
The speed along the path is constant at V km/s with the value of V as given below.
Find the angular velocity, w. Give your answer in rad/s. | <urn:uuid:6400193b-13a3-4f2b-8aac-d4fbf1862115> | 3.453125 | 77 | Q&A Forum | Science & Tech. | 79.803707 |
Present observations do provide some precise quantitative information. For example, we have good estimates of the gas mass as a function of radius. We have a good estimates for the mean iron abundance in clusters with the best value around 20% for Coma. We have high quality images of a large sample of clusters and good... | <urn:uuid:76c6f65f-1cd4-4977-a1e7-d526b19129ef> | 3.234375 | 386 | Academic Writing | Science & Tech. | 26.641 |
This problem in geometry has been solved in no less than EIGHT ways
by a pair of students. How would you solve it? How many of their
solutions can you follow? How are they the same or different? Which
do you like best?
Follow hints using a little coordinate geometry, plane geometry and
trig to see how matrices are used... | <urn:uuid:152d5bb5-2bf7-418d-a903-0e203f45b977> | 3.125 | 125 | Tutorial | Science & Tech. | 61.592731 |