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The embryonic revolution in material science now taking place—specifically “smart materials” and superlight materials—offers strong evidence that there are no limits to growth. So-called smart materials, as defined on Wikipedia, “are materials that have one or more properties that can be significantly changed in a cont... | <urn:uuid:a98694e5-68ed-404f-a1a4-e2e232120cdf> | 3.78125 | 2,106 | Nonfiction Writing | Science & Tech. | 36.916856 |
It wasn’t easy to feel the sun this morning with 19 below zero and a sharp northwest wind. No matter what the season, the sun’s brilliance remains the same, but you’ll strain to sense the warmer side of its personality on days like today. When the thermometer scrapes bottom in my town, Lake Superior exhales foggy breat... | <urn:uuid:e5b67139-faeb-4fe8-a58b-9b678e8c783e> | 2.71875 | 679 | Personal Blog | Science & Tech. | 54.220475 |
Scientific name: Leptidea sinapis
One of the smallest and most dainty of the white butterflies found in Britain.
Rare in south England and the Burren region of western Ireland. A small butterfly with a slow flight, usually encountered in sheltered situations such as woodland glades or scrub.
Upperwings are white with r... | <urn:uuid:f81c90dd-d656-4d0f-9b0c-b5536805b58c> | 3.59375 | 552 | Knowledge Article | Science & Tech. | 42.653482 |
!( 1 || 1 && 0 ) ANSWER: 0 (AND is evaluated before OR)
The above is from the C++ tutorial. The tutorial gives the answer as 0 (or false) with the explanation, (AND is evaluated before OR).
My question is: if 1 && 0 is 0 (or false) doesn't the ! outside the parentheses convert the final result to !0 ( 1 or true)? | <urn:uuid:380ae58c-c2ea-4baa-93b2-fb8e9d658b92> | 2.875 | 86 | Q&A Forum | Software Dev. | 82.142302 |
SUMMARY: Scientists have figured out how they can use special instruments on board two NASA satellites to detect the early stages of plankton "blooms". These blooms are caused by excessive runoff of industrial fertilizer which makes marine algae grow - sometimes so thickly that water looks black. Bacteria consume the a... | <urn:uuid:6a14f971-a3e1-45de-8a00-c37ab18da910> | 3.5625 | 133 | Comment Section | Science & Tech. | 46.208396 |
Pub. date: 2008 | Online Pub. Date: April 25, 2008 | DOI: 10.4135/9781412963893 | Print ISBN: 9781412958783 | Online ISBN: 9781412963893| Publisher:SAGE Publications, Inc.About this encyclopedia
OCEAN CURRENTS AFFECT not only the temperature, but also the precipitation on land areas adjacent to the ocean. A cold ocean ... | <urn:uuid:35a51b45-22c2-4399-b3c1-7bcfe3dd57c0> | 4.40625 | 246 | Structured Data | Science & Tech. | 50.811643 |
Poly allows the user to view and interact with polyhedra and their nets, thus connecting two and three dimensional geometries.
Exploring The Software:
- Begin by going to the File menu and opening "Preferences". I suggest you check "3-D Shaded", "3-D Edges", and "2-D Net" views.
- Start with one of the Platonic Solids.... | <urn:uuid:10f097fa-1553-4659-8670-18807f8d2d98> | 3.359375 | 564 | Tutorial | Science & Tech. | 56.622204 |
Why does a can of cranberry sauce roll so far?
A can of cranberry sauce rolls so far because it is thick and heavy. There
are two physical quantities of concern here: momentum and angular momentum.
When you push the can, you give it momentum. By making the can roll, you
also give it angular momentum. The thickness of t... | <urn:uuid:6476862f-960d-439f-9e1d-c4670d1826a6> | 3.34375 | 224 | Knowledge Article | Science & Tech. | 55.605 |
Analysis of a crater-forming meteorite impact in Peru
Article first published online: 16 SEP 2008
Copyright 2008 by the American Geophysical Union.
Journal of Geophysical Research: Planets (1991–2012)
Volume 113, Issue E9, September 2008
How to Cite
2008), Analysis of a crater-forming meteorite impact in Peru, J. Geoph... | <urn:uuid:a78689ef-08b7-4d68-bfa4-1ed86656a391> | 2.8125 | 489 | Academic Writing | Science & Tech. | 56.002051 |
OK – so this did not really happen. It’s a PR stunt to mark the start of science month on the TV channel, Eden. However, the video does talk about what could happen if a real meteor of this size hit London, and it would be a lot more devastating than one crushed taxi.
The video talks about the meteor that wiped out the... | <urn:uuid:82b39935-5192-4a6d-8f73-704c5fe3b0d9> | 4.21875 | 430 | Personal Blog | Science & Tech. | 64.28241 |
Monday, November 11, 1996
Home range of the wolves
Other wolf researchers have learned that the amount of food (or "prey density") in an area has a great effect on how large an area the wolves travel in. This area is called their "home range." The size of the home range depends in part on how much ground the wolves nee... | <urn:uuid:0621f50e-5089-4829-ab98-7ba40e8bf50b> | 3.625 | 457 | Knowledge Article | Science & Tech. | 58.33384 |
Flying over the three-dimensional Moon
- DLR Planetary researchers generate a new model of the Moon
The landing sites of Apollo 11, 12 and 14 are located centrally in a region depicted in tranquil blue. In these colour-coded 3D images of the lunar surface, blue is used to indicate low-lying flat ground. It was not unti... | <urn:uuid:94ca0221-5e97-4a3c-84df-d19e2e2c9251> | 3.875 | 1,135 | Knowledge Article | Science & Tech. | 37.255979 |
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Object-Oriented Design is based on the position that the more
closely a program models the real world problem it represents,
the better the program will be. In many cases, the data
definitions on a project are more stable than the functionality
is, so building a design based on the data, as object-oriented
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Programming in standardized high level languages has the benefit of being readily portable across architectures. One would think that portability exists as long as programmers constrain themselves to features specified by the language standard and employ compilers that are dutiful in implementing to the standard. Unfor... | <urn:uuid:4b456402-4510-4d7e-845b-523d33a9d21c> | 3.109375 | 3,053 | Documentation | Software Dev. | 23.678999 |
Emissions of air pollutants by sector in 2005, EU-27
The TOFP factors are as follows: NOX 1.22, NMVOC 1, CO 0.11 and CH4 0.014 (de Leeuw, 2002). Results are expressed in NMVOC equivalents (kilotonnes kt). Data not available: for Iceland (emissions of CO, NMVOC, NOX were not reported) and Malta (CO). The figure also sho... | <urn:uuid:71af0f92-f8a9-4dcc-8c71-6db9d4f97f47> | 2.765625 | 249 | Structured Data | Science & Tech. | 72.313378 |
State of the Environment 2011 Committee. Australia state of the environment 2011.
Independent report to the Australian Government Minister for Sustainability, Environment, Water, Population and Communities.
Canberra: DSEWPaC, 2011.
Humans have both direct and indirect effects on biodiversity. Direct effects mainly invo... | <urn:uuid:7b157ad2-f2aa-4104-8a51-ef355ca59099> | 3.328125 | 1,964 | Knowledge Article | Science & Tech. | 30.140996 |
Mon Jan 14 00:22:56 GMT 2008 by Erin
What does the P in 88P Howell's comet mean?
Fri Feb 22 02:28:11 GMT 2008 by Pj
It means periodic. Most known comets are periodic. This means that its orbit can be calculated and its future sightings can be predicted (like Halley's Comet)
I Love This Paper
Wed Jan 30 20:42:37 GMT 200... | <urn:uuid:f9e463e2-cb48-42af-af27-8c7ce288536c> | 3.21875 | 245 | Comment Section | Science & Tech. | 79.978117 |
C14 Decay and Nitrogen Ion
Date: Winter 2011-2012
When carbon-14 decays to nitrogen it gains a proton, however this means that the nitrogen atom is "short" one electron so it has more protons than electrons. Does the new nitrogen atom stay as an ion and if not where does it get the "extra" electron?
Charge is conserved... | <urn:uuid:1997ac85-f4be-4070-8b1f-96a8291c8342> | 3.546875 | 501 | Q&A Forum | Science & Tech. | 64.684351 |
The Effect of Dieoffs of Asian Clams (Corbicula fluminea) on Native Freshwater Mussels (Unionidae)
There is a great deal of concern about the declining freshwater mussel fauna of North America. Although deteriorating water quality and habitat degradation may account for much of the decline, it has been suggested that t... | <urn:uuid:ad3f0c84-4a11-4f58-8720-97860a6824e0> | 2.78125 | 588 | Knowledge Article | Science & Tech. | 51.423157 |
Plasma classification (types of plasma)
From (The Plasma Universe Wikipedia-like Encyclopedia)
Plasmas are described by many characteristics, such as temperature, degree of ionization, and density, the magnitude of which, and approximations of the model describing them, gives rise to plasmas that may be classified in d... | <urn:uuid:fdce9fc7-c001-41cc-b62e-4c21261c1613> | 3.796875 | 3,181 | Knowledge Article | Science & Tech. | 43.019745 |
Mopalia lignosa (Gould, 1846)
|Mopalia lignosa, San Simeon, CA|
|(Photo by: Dave Cowles, 1997)|
How to Distinguish from Similar Species: The hairs are flexible, not stiff and thick as in Mopalia muscosa. Other Mopalias have longer hairs or have tubercles instead of pits on the plates.
Geographical Range:_Prince William... | <urn:uuid:1d1eb7a5-7c95-4d3c-b6b8-aad79e83decd> | 2.71875 | 268 | Knowledge Article | Science & Tech. | 44.446491 |
Which came first, the galaxy or the black hole?
Every big galaxy we see in the sky has a supermassive black hole at its heart, a dark monster that may be millions or billions of times the mass of the Sun. But did the black hole form first, or the galaxy… or did they grow together?
Astronomers think they may be on to th... | <urn:uuid:2a8781dd-5be9-4b20-b082-f6e91542e9fe> | 3.765625 | 1,312 | Personal Blog | Science & Tech. | 58.151655 |
In a Los Angeles laboratory, researchers have let loose scores of what amount to living micromachines. Dwarfed by a comma, each tiny device consists of an arch of gold coated along its inner surface with a sheath of cardiac muscle grown from rat cells. With each of the muscle bundles' automatic cycles of contraction an... | <urn:uuid:75d38764-ffa4-4e40-8b9d-4190118883c3> | 2.84375 | 148 | Comment Section | Science & Tech. | 46.085714 |
Effects of Clearcutting on Soil Water Depletion in an Engelmann Spruce Stand
Water Resources Research
Soil water depletion was monitored for five growing seasons on 0.4 hectare plots in a mature stand of Engelmann spruce in northern Utah. Three plots were then clearcut and in the first season soil water depletion was 2... | <urn:uuid:b7106d7e-b6cd-4fc6-9262-60474413df0e> | 2.8125 | 230 | Academic Writing | Science & Tech. | 66.497439 |
Every 11 years or so, for reasons scientists have yet to fully comprehend, the sun comes a little undone. Magnetic storms rage across its surface, sunspots erupt like acne, and clouds of electrically charged particles fly outward at 2 million miles per hour. When those clouds reach Earth, they can overload power lines ... | <urn:uuid:2d612aac-81ed-4645-b546-d8c93f49eb24> | 3.296875 | 839 | Knowledge Article | Science & Tech. | 46.529134 |
LCM is an abbreviation for Least Common Multiple’. It is also called as ‘lowest common multiple’ and less popularly as ‘smallest common multiple’. For a given set of two or more integers, the least common multiple is the least integer that can be divided by all the integers in the given set.
The fundamental method of f... | <urn:uuid:83130e85-e607-41db-9cc3-25e27b7a0799> | 4.34375 | 575 | Tutorial | Science & Tech. | 76.162555 |
|Annu. Rev. Astron. Astrophys. 1999. 37:
Copyright © 1999 by . All rights reserved
Far-ultraviolet radiation was first detected from early-type galaxies by the Orbiting Astronomical Observatory-2 in 1969. This was a major surprise because it had been expected that such old stellar populations would be entirely dark in ... | <urn:uuid:082a5665-3ff5-4ab5-83d7-2e7caaee124e> | 3.3125 | 1,093 | Academic Writing | Science & Tech. | 28.941855 |
GISS Inventing Temperatures In Africa–Part II
By Paul Homewood
In an earlier post, GISS Inventing Temperatures In Africa , we discovered there was only one, (yes one), rural station in the whole GISS Temp Database for Africa that met these two conditions :-
1) A record from 1941 or earlier up to 2011. ( There are many ... | <urn:uuid:53d4f7f4-fd2a-4062-b67f-4a0da0d8b990> | 3.046875 | 692 | Personal Blog | Science & Tech. | 59.406729 |
If a number N is expressed in binary by using only 'ones,' what can
you say about its square (in binary)?
This article for the young and old talks about the origins of our number system and the important role zero has to play in it.
Using balancing scales what is the least number of weights needed
to weigh all integer ... | <urn:uuid:96322d0f-5f5a-45b8-886f-3df332b882eb> | 4 | 651 | Content Listing | Science & Tech. | 70.69847 |
Here are several equations from real life. Can you work out which measurements are possible from each equation?
Which line graph, equations and physical processes go together?
This is our collection of tasks on the mathematical theme of 'Population Dynamics' for advanced students and those interested in mathematical mo... | <urn:uuid:b72d70f3-9cf2-4574-a395-21d644885a31> | 3.34375 | 1,031 | Content Listing | Science & Tech. | 49.718862 |
What is a Link?:
Links are often the first thing that most developers want to learn. Links are what allow your readers to move around the Web. In fact, links put the "hyper" in "hypertext" (definition of hypertext).
What is an Anchor or Bookmark?:
Anchors or bookmarks are a special type of link that points to within a ... | <urn:uuid:1d3282c7-b605-4dea-9f5e-19265c0a8c33> | 2.8125 | 509 | Tutorial | Software Dev. | 74.538851 |
Wednesday, 24 April 2013
Tuesday, 5 March 2013
Tuesday, 14 February 2012 13
Why do we need such a big telescope? What will it look like? How will it be built? How will it handle the data?
Tuesday, 10 January 2012 24
I always thought the idea of a rotating space station would neatly get around the problem of no gravity,... | <urn:uuid:de7743c5-9b58-43e5-8a95-14db9513b939> | 3.546875 | 552 | Q&A Forum | Science & Tech. | 69.183462 |
Bats around the world are losing habitat to ever-expanding cities. Urbanization is more complete and irreversible than other encroachments, such as agriculture, and causes some of the greatest local extinction rates. Not only is natural habitat reduced to small, often tiny, remnant patches, but native plants are replac... | <urn:uuid:051552a9-4a00-465f-9987-737b0597e1d3> | 3.859375 | 1,477 | Academic Writing | Science & Tech. | 38.664481 |
or the past two years, the hype surrounding the Simple Object Access Protocol (SOAP
) has barely waned, although its opponents have gradually risen in number. While some critics are simply tired of hearing about Web services, a small handful of Internet architects have come up with a surprisingly good argument for push... | <urn:uuid:5379a667-c8d1-448e-b4d4-cbb29901b9dc> | 2.859375 | 1,155 | Knowledge Article | Software Dev. | 39.083626 |
The research teams raced to map the Universe by locating the most distant supernovae. More sophisticated telescopes on the ground and in space, as well as more powerful computers and new digital imaging sensors (CCD, Nobel Prize in Physics in 2009), opened the possibility in the 1990s to add more pieces to the cosmolog... | <urn:uuid:1bd09602-7212-4389-824f-fa41762e4e83> | 4.3125 | 335 | Personal Blog | Science & Tech. | 46.213952 |
Harlequin Ladybird Project
The UK Harlequin Ladybird Survey was established to track the spread of the invasive alien ladybird, Harmonia axyridis. The project was established by Centre for Ecology & Hydrology (CEH), Cambridge University and Anglia Ruskin University through the NBN Trust and with start-up funding from D... | <urn:uuid:c611bfaa-5318-4f74-b364-ed5d1d895180> | 3.0625 | 326 | Knowledge Article | Science & Tech. | 25.853785 |
CHANGES in the amount of cosmic dust raining onto the Earth could help explain why the climate has for the past million years been alternating between ice ages and warmer interglacial periods. For years, researchers have suspected that ice ages happen because of variations in the Earth's orbit which move us slightly fa... | <urn:uuid:0a8aa5c3-2591-4b55-9bf5-f0a3feafddb0> | 4.21875 | 201 | Truncated | Science & Tech. | 47.044737 |
|Previous||UML Classes||Table of Contents||UML Packages||Next|
A Device is a physical computational resource with processing capability upon which artifacts may be deployed for execution.
Device s may be complex (i.e., they may consist of other devices).
Node (from Nodes ) on page 218
In the metamodel, a Device is a su... | <urn:uuid:4be769c7-0988-450f-b128-bb380b9e47f5> | 2.90625 | 203 | Documentation | Software Dev. | 38.258213 |
Whale Lice and Barnacles
Barnacles are a fact of life for gray whales; there are hundreds of pounds of barnacles on gray whales. These barnacles attach themselves to gray whales in the lagoons when the whales are born and are on gray whales for as long as they are alive. Barnacles depigment the skin when they attach th... | <urn:uuid:729adaf8-58fc-4332-bde7-475a5e8cdefa> | 3.65625 | 330 | Knowledge Article | Science & Tech. | 56.401269 |
Corallinaceae, Red Algae, Coralline algae, Carpet Algae.
Im sorry, but video content will be enabled in an upcoming update. In the mean time, take a look around our amazing images provided by the awesome community here at Whats That Fish.
Also known as Red Algae, Coralline algae and Carpet Algae.
Found on coral and roc... | <urn:uuid:16691d37-c115-473f-889a-044a06972829> | 3.03125 | 204 | Truncated | Science & Tech. | 58.060147 |
Short Summaries of Articles about Mathematics
in the Popular Press
"Number Crunch: A Group of Mathematicians is Trying to Cut the World's Lengthiest Theorem Down to Size," by Kim McDonald. Chronicle of Higher Education, 21 June 1996, page A8.
The notion of a group is central to mathematics. In addition to providing a w... | <urn:uuid:891d5d08-4702-411a-8ca2-2d9d32dee035> | 3 | 202 | Content Listing | Science & Tech. | 34.536392 |
Well, given this news from the BBC, http://news.bbc.co.uk/2/hi/science/nature/8377128.stm
, it turns out that the claims that temperatures haven't been rising were in fact wrong (sometimes even the BBC makes mistakes).
Predicting climate change is only vague in as much as they don't know what the exact effects will be,... | <urn:uuid:901c9d1c-b6f1-49f9-b4bc-5df10224e66d> | 3 | 2,091 | Comment Section | Science & Tech. | 57.488886 |
Return to Physics Index
Sandra Tucker Crown Fine Arts Academy
2128 S. St. Louis
Chicago IL 60623
This lesson is designed for primary level students. They will observe the
transfer of momentum.
2 or more pairs of rollerblades
2 cars - each car has a spring attached to the front bumper and velcro attached
to the rear bum... | <urn:uuid:23d1ab31-81ac-49ab-bb9a-865e96adc953> | 4.0625 | 714 | Tutorial | Science & Tech. | 71.404878 |
Applet is a program to run on the browser and it is embedded on the web page.
This program is not system level
program but it is a network level program. The Applet class is a super class of any applet.
Applet viewer is used to view or test the applet
whether the applet is running properly or not.
In this program we wi... | <urn:uuid:7b91e076-3d8f-45eb-a341-854e731daf6a> | 3.671875 | 419 | Documentation | Software Dev. | 52.597681 |
One might think having no limbs would put a damper on the love life, but not for snakes. When a female snake is ready to mate, she begins to release a special scent (pheromones) from skin glands on her back. As she goes about her daily routine, she leaves an odor trail as she pushes off resistance points on the ground ... | <urn:uuid:8177be25-d54e-44f7-aa50-08b002c1d00d> | 3.203125 | 332 | Knowledge Article | Science & Tech. | 61.931576 |
One of the reasons for launching the Hubble Space Telescope in 1990 was to eliminate the filter of the atmosphere that affects earth-bound observations of the night sky. The results speak for themselves: more than 10 000 peer-reviewed papers using Hubble data, around 98% of which have citations (only 70% of all astrono... | <urn:uuid:0e7bc9e3-e665-4e59-9542-b779bf25454e> | 3.796875 | 600 | Nonfiction Writing | Science & Tech. | 43.150394 |
|Wesley R. Elsberry
Joined: May 2002
I think Roger Cuffey's discussion of transitional fossils is a good starting place. He has an online version of his 1974 paper (scanned, apparently), and this is the section that gives four classes of transitional sequences.
Although the broad patterns and many details in the histor... | <urn:uuid:49e915a7-4b9b-4818-8f68-97cede839c25> | 2.8125 | 1,547 | Comment Section | Science & Tech. | 46.458156 |
Named for a forgotten constellation, the
Quadrantid Meteor Shower
is an annual event for planet Earth's
northern hemisphere skygazers.
It usually peaks briefly in the cold, early morning hours of January 4.
The shower's radiant point on the sky
lies within the old, astronomically obsolete constellation
That position is... | <urn:uuid:079d918e-704c-4c1d-9e37-1ddcc8949a99> | 2.890625 | 178 | Knowledge Article | Science & Tech. | 45.46107 |
Saprophytes: Where Do They Come From?
"David Brayford ", IMI
D.BRAYFORD at cabi.org
Mon Mar 3 08:07:28 EST 1997
I might have missed the beginning of this conversation but, anyhow......,
fungi have a whole range of ecological strategies involving a saprotrophic
component, so there is no single answer to your questions. ... | <urn:uuid:6a4025be-acaa-448a-b7fd-516bb3d7996e> | 3.078125 | 337 | Comment Section | Science & Tech. | 65.360034 |
Habitat Protection and Research
It is widely accepted that some fishing methods, such as bottom trawling and dredging, impact on the seabed and may cause damage to marine habitats and ecosystems. Most fishing of this type occurs in water depths of less than 1200m (these make up around 30 percent of our economic zone).
... | <urn:uuid:c01dedfd-2fde-4024-8969-bc562f825257> | 3.8125 | 1,307 | Knowledge Article | Science & Tech. | 26.209823 |
The following is an excerpt:
Cornell researchers have taken a leap toward meeting those needs by discovering a gene that could lead to new varieties of staple crops with 50 percent higher yields.
The gene, called Scarecrow, is the first discovered to control a special leaf structure, known as Kranz anatomy, which leads... | <urn:uuid:1a71bb70-4d67-456d-9d5b-274254287f20> | 3.84375 | 156 | Truncated | Science & Tech. | 30.361635 |
Studies analyzing some 20 years of footage taken of Orangutans in the jungles of Borneo are giving scientists fascinating insights into how these great apes communicate. The footage shows the orangutans using mime as a means ‘talking’ with one another. These messages include the desire to have an itch scratched and a t... | <urn:uuid:d7d56753-b33f-4967-b6df-084e6b1dea6c> | 2.78125 | 201 | Content Listing | Science & Tech. | 30.855 |
By studying orangutan populations, a team of researchers headed by anthropologist Michael Krützen from the University of Zurich has demonstrated that great apes also have the ability to learn socially and pass them down through a great many generations. The researchers provide the first evidence that culture in humans ... | <urn:uuid:2c353199-a612-4dc7-98f1-182b5334be22> | 3.859375 | 1,441 | Knowledge Article | Science & Tech. | 38.167842 |
The vermin only teaze and pinch
Their foes superior by an inch.
So, naturalists observe, a flea
Has smaller fleas that on him prey;
And these have smaller still to bite ‘em,
And so proceed ad infinitum.
What’s the most common living thing on Earth? A smart guess would be to start with bacteria, which make up over half ... | <urn:uuid:ce2a041b-3d39-4345-82fa-bb2565027193> | 2.984375 | 444 | Personal Blog | Science & Tech. | 49.569332 |
Below is an image of a biaxial mineral. Inside of the mineral is a biaxial indicatrix, which is slightly more complicated than a uniaxial indicatrix.
Optically speaking, biaxial minerals are more complicated than uniaxial minerals. Biaxial mineral have far less symmetry in their crystaline form than uniaxial minerals, ... | <urn:uuid:25e020df-db85-4e67-aa97-1399fb820cd1> | 3.828125 | 425 | Academic Writing | Science & Tech. | 38.635118 |
"THE past isn't dead," wrote William Faulkner. "It isn't even past." As far as biology goes, he had a point. Relics of the most distant biological past live on in every creature on Earth.
Now a team of researchers have pieced together some of these relics to produce a surprising picture of our primitive ancestors. They... | <urn:uuid:71752d27-d39c-45aa-add1-1f551acda72e> | 3.453125 | 212 | Truncated | Science & Tech. | 48.626396 |
Someone correct me if I am wrong, but I did some back of the envelope calculations that seems to show if you have everything at 100% efficiency, it takes 32 horsepower to accelerate 550 pounds at one G, 9.8 m/s^2 or 32 ft/s^2 if you will. Or 32 HP to give 880 Kg 1 G of acceleration, pick your units:)
So I imagine somet... | <urn:uuid:c4cbf870-bcda-4f94-927b-9880daaf3a45> | 2.734375 | 426 | Comment Section | Science & Tech. | 67.722473 |
|Aug7-12, 10:56 PM||#1|
Entropy of liquid nitrogen.
I tried to find entropy of liquid nitrogen in various data books, using nitrogen's CAS number, MSDS, but I was able to get the entropy of nitrogen till only 100K, not below that.
Does anyone know what's the entropy of liquid nitrogen or that where can I find it?
|Aug8... | <urn:uuid:ceb4c255-c0b5-45b6-8722-a588d51ebf27> | 2.734375 | 1,752 | Comment Section | Science & Tech. | 69.182238 |
Genome Particle Depressions (WIP)
The following example takes a PRT Loader saved from Particle Flow and selects the vertices of the collision plane according to the distance to the closest particle. The resulting selection is then used to Push the vertices to produce depressions in the "ground".
- Steps TBD
RESULT: As ... | <urn:uuid:2be9f225-af9b-4625-a01c-c94381cfc160> | 3.0625 | 508 | Documentation | Software Dev. | 43.835953 |
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.
2012 September 23
Explanation: Yesterday was an equinox, a date when day and night are equal. Today, and every day until the next equinox, the night... | <urn:uuid:fffaf28b-a28f-4bb8-8503-9a5bb79756c1> | 3.65625 | 313 | Knowledge Article | Science & Tech. | 55.180463 |
We write numbers in a base
as a series of symbols (digits) having each
possible states (values).
symbols, you have
possible combinations, so
can be seen as the number of digits needed to write
The "log=size" equality is true within an error of 1 because the log is real-valued, whereas the number of digits is an integer... | <urn:uuid:6c95437c-c89e-4c5f-b175-3ad238459242> | 3.765625 | 579 | Tutorial | Science & Tech. | 45.10587 |
Most of the Derby tools are JDBC applications. A JDBC application is one that uses the classes in the java.sql package to interact with a DBMS.
When you work with JDBC applications, you need to know about several concepts. The most basic is the connection. A JDBC connection is the object through which commands are sent... | <urn:uuid:ecd083d7-af1b-4c8e-81da-da270785753b> | 3 | 115 | Documentation | Software Dev. | 48.509413 |
MSYS is a collection of GNU utilities such as bash, make, gawk and grep to allow building of applications and programs which depend on traditionally UNIX tools to be present. It is intended to supplement MinGW and the deficiencies of the cmd shell.
An example would be building a library that uses the autotools build sy... | <urn:uuid:6a9c25e2-4b41-4272-a258-7fa1384cc8ac> | 2.828125 | 1,011 | Tutorial | Software Dev. | 70.939936 |
As recently as last year, scientists believed the asteroid, known as AG5, had "significant potential" to threaten Earth, but a new analysis conducted with the help of Hawaii's Gemini North telescope has found that the asteroid will likely miss Earth by about 550,000 miles (twice the distance to the moon).
If it were to... | <urn:uuid:d30c03f0-66e8-4def-aee4-0671fe501dc5> | 3.609375 | 161 | Personal Blog | Science & Tech. | 46.44 |
Climate Change - page 3
Volcanoes and ClimateWhen some volcanoes erupt, they send gases up into the stratosphere. Emitted sulfur dioxide is converted into sulfate aerosols, which are tiny suspended particles that circle the globe and reduce the amount of solar radiation that reaches the Earth. Although the actual volca... | <urn:uuid:acdb5760-e1f1-48d3-a160-e9b5114bae0e> | 4.15625 | 998 | Knowledge Article | Science & Tech. | 43.247718 |
Scientific Investigations Report 2006–5294
The northern High Plains aquifer is the primary source of water used for domestic, industrial, and irrigation purposes in parts of Colorado, Kansas, Nebraska, South Dakota, and Wyoming. Despite the aquifer’s importance to the regional economy, fundamental ground-water characte... | <urn:uuid:30928774-1a7c-4252-9d59-d05ec3e1730e> | 3.046875 | 1,195 | Knowledge Article | Science & Tech. | 27.407004 |
The core of modern Unix shared libraries
September 3, 2011
The fundamental Unix development that enabled modern shared libraries
is shared copy-on-write
There are two problems with shared libraries, with the second stemming from the first. The first problem is how to get them loaded into the process's address space at ... | <urn:uuid:a2e25092-95dd-4445-872a-b948b8d206df> | 2.828125 | 407 | Personal Blog | Software Dev. | 32.885426 |
Science Fair Project Encyclopedia
Ring wave guide
This must be solved under the circularity condition. Let the ring's radius be r, then in one dimension:
where α is the position angle on the ring. We get
The solution of this is
The circularity condition is now, that
Now the wave function becomes
Quantum states found:
n... | <urn:uuid:e0b698c2-6ef6-464c-a6cb-15e8bb44c9b1> | 3.9375 | 405 | Knowledge Article | Science & Tech. | 38.414254 |
Many solar flares are expected to hit Earth in 2012 and 2013 but are those warnings just another Y2K? Back in 1999, people around the world were fearful of just what was going to happen on January 1st, 2000. Most thought the digital clocks would shut down, erasing our bank statements, setting off classified missiles, a... | <urn:uuid:3a13631b-f76f-4526-aec2-e10b4f424d77> | 3.03125 | 705 | Personal Blog | Science & Tech. | 43.994036 |
If an MVC framework is being followed, then most of the content of a JSP should simply present and format the data (the "Model" objects of the MVC framework) being passed to the JSP by the Controller (or its delegate).
Many feel that when using MVC, code in a JSP which performs a task not directly related to presentati... | <urn:uuid:1ccffe71-d3a3-4447-aa56-48192e6a142b> | 2.984375 | 230 | Knowledge Article | Software Dev. | 30.16853 |
The environmental sample processor (ESP) is a molecular biology lab packed (robotic technician and all) inside a canister the size of a kitchen garbage can. A decade in development, the present version of the robot works well in surface waters.
At prearranged times or when triggered by another sensor, the ESP filters 2... | <urn:uuid:3d42fbf1-f58a-4ebb-9a76-da354be99a0f> | 3.625 | 470 | Knowledge Article | Science & Tech. | 26.149871 |
How can you use Perl plotting through the "gnuplot" drawing charts variant
In order to use Perl Plotting and graphics you can find several different modules on the net.
Generally speaking, you have at least 2 great opportunities: code everything in Perl using one of the CPAN available modules or use some other plotting... | <urn:uuid:f44c6476-40ae-496c-bb11-d738a4bbf262> | 2.84375 | 719 | Tutorial | Software Dev. | 57.165694 |
matlab /mit/2.670/Computers/Matlab/Examplesstarts up matlab and adds that directory to the places matlab will look for .m files in.)
function return-values = functionname(arguments)
so that matlab will recognize it as a function. Each function needs to have its own file, and the file has to have the same name as the fu... | <urn:uuid:24a931ce-0b8d-4d6e-a8f9-09848f83aa54> | 3.34375 | 463 | Documentation | Software Dev. | 60.291292 |
<chemistry> A white crystalline aromatic hydrocarbon, C10H8, analogous to benzene, and obtained by the distillation of certain bituminous materials, such as the heavy oil of coal tar. It is the type and basis of a large number of derivatives among organic compounds. Formerly called also naphthaline.
(01 Mar 1998)
|Book... | <urn:uuid:349dcee8-c6bc-416d-a092-03cb6c01029d> | 2.6875 | 92 | Knowledge Article | Science & Tech. | 28.222011 |
PINE trees near the Chernobyl nuclear plant in Ukraine are altering their DNA in response to the radioactive fallout from the reactor accident in 1986. The changes act as a defence mechanism that prevents the trees' genome from being destabilised by radiation.
The explosion of one of Chernobyl's reactors showered trees... | <urn:uuid:0dd371c1-7d75-4a3d-9dc1-4917c4887b6b> | 3.390625 | 171 | Truncated | Science & Tech. | 33.930406 |
A story in a software project is essentially a single feature that has been defined through a study of the project before the first iteration. However, in an agile project, there is no need to analyze the project completely up front. It is important to note that when creating project tasks it is necessary to use Epics,... | <urn:uuid:d7ed10b7-a27b-4984-94f8-a728147a001c> | 2.8125 | 303 | Truncated | Software Dev. | 34.807857 |
Climate change is occurring as a result of human activity. Greenhouse gases are being emitted into the atmosphere, primarily from the burning of fossil fuels such as coal, oil or gas, to meet the needs of our modern lifestyles. Everyday things we take for granted – such as the heating and lighting in our homes, or our ... | <urn:uuid:67adc4d7-3e8e-4c33-b0a6-d65e659621b3> | 4.125 | 912 | Knowledge Article | Science & Tech. | 44.522894 |
Dielectrics have the strange property of making space seem bigger or smaller than it looks. The dielectric constant value tells you how much smaller or bigger the space gets. It shows itself in two ways.
First, when you put some dielectric between two electric charges it reduces the force acting between
them, just as i... | <urn:uuid:bb7f646b-6466-4bb8-9828-d3577317b923> | 3.625 | 242 | Knowledge Article | Science & Tech. | 50.942 |
If you have an hour, the drilling team gives a presentation and a Q and A. They explain the significance of the first non-Earth drilling.
They’ve driven the Rover over to a flat area of rocks they call ‘John Klein,’ in a depressed region called ‘Yellowknife Bay,’ beyond Glenelg which was originally a target point from ... | <urn:uuid:49fb8b35-2c50-49fc-b141-14d57f9e96ba> | 3.640625 | 306 | Personal Blog | Science & Tech. | 59.150909 |
The Klingon Bird of Preys were first introduced in Star Trek III: The Search for Spock. Two classes existed, the B’rel-class and the K’Vort-class, roughly scout and light cruiser classes. They were formidable ships, not only because of their lovable Klingon crews, forward torpedo launchers, and disruptor cannons, but b... | <urn:uuid:dfc13dd2-727d-492b-8dba-77ecc9227854> | 3.3125 | 663 | Personal Blog | Science & Tech. | 51.900443 |
Devices use signing information to check an application's source and validity before allowing it to access protected APIs. For test purposes, you can create a signing key pair to sign an application. The keys are as follows:
A private key that is used to create a digital signature, or certificate.
A public key that any... | <urn:uuid:5e12b926-06dc-46f3-abe3-d37287a6efde> | 2.734375 | 99 | Documentation | Software Dev. | 35.690143 |
Migratory Shorebirds of the East Asian - Australasian Flyway: Population estimates and internationally important sites
By M. Bamford, D. Watkins, W. Bancroft, G. Tischler and J. Wahl
Wetlands International - Oceania, 2008
ISBN 9 789 0588 20082
- Migratory Shorebirds of the East Asian - Australasian Flyway: Population e... | <urn:uuid:bb2e4a8d-bd97-4e35-82a1-1c4dae950449> | 3.21875 | 447 | Academic Writing | Science & Tech. | 42.26191 |
Search Digital Classroom Resources:
Digital Classroom Resources
Projectile Motion Simulation
C. Jay Hutchings and Nadina Duran-Hutchings
This Flash Forum "Sharing area" article presents a game in which the user must determine the correct angle and initial velocity for a projectile that must hit a roving target. The mat... | <urn:uuid:e53d718b-2ca0-49b7-aef9-57b70f9f1b3b> | 3.40625 | 124 | Content Listing | Science & Tech. | 24.042702 |
Search Loci: Convergence:
Reductio ad absurdum, which Euclid loved so much, is one of a mathematician's finest weapons. It is a far finer gambit than any chess play: a chess player may offer the sacrifice of a pawn or even a piece, but a mathematician offers the game.
A Mathematician's Apology, London, Cambridge Univer... | <urn:uuid:0e96c816-302b-409c-b470-6e0286ac9a45> | 2.734375 | 463 | Content Listing | Science & Tech. | 42.170117 |
I know radon is harmful and a threat to health, but are
there any uses for it? Also, do you know what scientists were involved
in the research of it?
Try contacting Commonwealth Edison, they have lots of information about
radon, especially now, and should be of help to you.
Noble gases are characterized by their lack o... | <urn:uuid:6c05e08a-4c6a-4b26-840b-0c579ddaebd3> | 3.03125 | 206 | Comment Section | Science & Tech. | 53.224088 |
The Most Complete List of Solar Energy Facts on the net!
Ok, so let’s state the obvious. The Sun’s photovoltaic energy is responsible for much of the continuation of life on earth. Don’t believe me? Look at plants and plankton. They make our oxygen, which creates ozone, which protects us from the sun.
Plants create mos... | <urn:uuid:c7c33218-4702-4b05-b74a-e1d2089c4fa6> | 3.453125 | 1,857 | Content Listing | Science & Tech. | 46.393812 |
Global warming has felt like breaking news a few times in recent years, but the first big pulse of coverage and public attention came in 1988.
A blog about climate change, the environment and sustainability.
Go to Blog »
How can we protect the planet for our children? Andrew C. Revkin looked at the latest research on g... | <urn:uuid:35971728-be26-4cb7-8146-ea5a48e1a0aa> | 2.75 | 1,570 | Content Listing | Science & Tech. | 50.061009 |
Since I am a java guy I am also posting this query in the java forum.
When we use the -genkey argument the keytool "generates a key pair (a public key and associated private key). Wraps the public key into an X.509 v1 self-signed certificate, which is stored as a single-element certificate chain".
When we use the -self... | <urn:uuid:4cdd0d56-ef7c-4712-80d9-c94d3c4f3bf6> | 3.109375 | 260 | Q&A Forum | Software Dev. | 49.784 |
http://ecoworldly.com/2008/10/07/sci...greatest-lake/In a report published in the journal Nature, researchers from Tokyo’s Institute of Technology and the Swiss Federal Institute of Aquatic Science and Technology have observed the cichlid evolve into a new species better adapted in sighting its prey and predator.
Resea... | <urn:uuid:3ba00206-808e-466a-a822-98d61dca0ad3> | 3.5 | 196 | Comment Section | Science & Tech. | 45.18875 |
From: Eirik Berg
I see that you are interested in how to colonize and live on Mars. Some time ago, I read about a suggestion about using some of the large lava tunnels which is suspected to be widespread on the planet do so; a erea is closed on both ends, isoleted from within and optical fibres attached to panels of le... | <urn:uuid:87f62612-2af1-4663-8b95-be7d9421dd6a> | 2.78125 | 373 | Comment Section | Science & Tech. | 59.403344 |
[Haskell-cafe] how to print out intermediate results in a recursive function?
qiqi789 at gmail.com
Sat Feb 4 19:23:07 CET 2012
I have a question;how can I print out the intermediate number lists in a
mergesort recursive function like the following one.
merge ys = ys
merge xs = xs
merge (x:xs) (y:ys) = if x <= y
then ... | <urn:uuid:a33c77fb-5352-457a-81f3-52f14495b6bf> | 2.703125 | 260 | Comment Section | Software Dev. | 77.763571 |
Jurassic Park: fact or fiction?
Can the steps taken in Jurassic Park,(the movie) be done in real life?
I can only give a personal observation here. We are really at the
time on the cutting edge of DNA research regarding these topics.
More often, as the scientist in the movie stated, we get so involved in
the 'could' of... | <urn:uuid:bc4b2aef-11b6-4fa4-9ce3-99d7d5866bba> | 2.765625 | 578 | Comment Section | Science & Tech. | 39.46231 |
Abstract - Variability in the Responses of Black-billed Magpies to Natural Predators
Buitron, D. 1983. Variability in the responses of black-billed magpies to natural predators. Behaviour 87. pp. 209-233.
Encounters between black-billed magpies (Pica pica) and a variety of natural predators were observed during 3 breed... | <urn:uuid:7f4cb008-0dcb-4716-8ec0-0ffbfa4dd1f8> | 3.296875 | 277 | Knowledge Article | Science & Tech. | 47.942145 |
…continuedObserving from the City
City and suburban observers gained a new claim to the deep sky when nebula filters were developed in the late 1970s. These function on a straightforward principle. Emission nebulae give off light at narrow wavelengths that differ from those of sodium- and mercury-vapor streetlights. By... | <urn:uuid:ce245eeb-0c38-4970-bd7d-4a58d70d0676> | 3.390625 | 1,105 | Tutorial | Science & Tech. | 46.152218 |
Potential Flow Around a Sphere
The potential (inviscid) flow around a sphere is equivalent to the superposition of a 3D doublet and a free stream, which reduces to the simple analytic equation:
Cp = 1 - 9/4 cos2(theta)
Cp is the Pressure Coefficent
theta is the angle measured perpendicular to the flow direction
Surface... | <urn:uuid:4453595e-a845-45cc-9290-9269e84d2eb9> | 2.84375 | 151 | Tutorial | Science & Tech. | 30.156067 |
A parsec is the unit for expressing distances to stars and galaxies, used by professional astronomers. It represents the distance at which the radius of the Earth's orbit subtends an angle of one second of arc; thus a star at a distance of one parsec would have a parallax of one second, and the distance of an object in... | <urn:uuid:1db818e4-3b58-4497-b811-f153334bba4b> | 4 | 333 | Knowledge Article | Science & Tech. | 66.570473 |
How do you measure a field like electrical or magnetic fields? The field itself is of course not visible. But you can see the effects of a field and use that for the visualization. For example, in case of magnetic fields a nice high school type of experiment is to use iron filings sprayed around a magnet. The filings a... | <urn:uuid:eb1ce7a9-8bde-4b65-b9c8-dc26c884fb83> | 3.765625 | 844 | Academic Writing | Science & Tech. | 42.793359 |
Problem: Show that is an irrational number (can’t be expressed as a fraction of integers).
Solution: Suppose to the contrary that for integers , and that this representation is fully reduced, so that . Consider the isosceles right triangle with side length and hypotenuse length , as in the picture on the left. Indeed, ... | <urn:uuid:00d43d0b-af78-46af-b7e7-228faa73cdb0> | 3.171875 | 395 | Academic Writing | Science & Tech. | 39.921972 |
Your question, as it seems to me, is mainly a nomenclature issue.
Class, in mathematics, means usually something described by a formula: all things with a certain property.
Equivalence classes, for example, are called classes but could just as well be sets. In fact sets are also classes in the context of set theory. Yo... | <urn:uuid:3716f2de-be19-4a02-af7d-b6a90efe5542> | 3 | 283 | Q&A Forum | Science & Tech. | 49.245922 |