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physical theory, introduced by Albert Einstein, that discards the concept of absolute motion and instead treats only relative motion between two systems or frames of reference. One consequence of the theory is that space and time are no longer viewed as separate, independent entities but rather are seen to form a four-... | <urn:uuid:f58cdb1d-fab2-484e-865f-b8f18ed6032d> | 3.8125 | 1,291 | Knowledge Article | Science & Tech. | 31.690715 | 95,611,356 |
Arrays, sets, and dictionaries are called collections, because they collect values together in one place.
If you want to create an empty collection just write its type followed by opening and closing parentheses. For example, we can create an empty dictionary with strings for keys and values like this:
var teams = [Str... | <urn:uuid:43b78684-d341-4997-b862-02a5a2b22100> | 3.078125 | 239 | Tutorial | Software Dev. | 28.240714 | 95,611,360 |
Secrets behind high temperature superconductors revealed
Scientists from Queen Mary, University of London and the University of Fribourg (Switzerland) have found evidence that magnetism is involved in the mechanism behind high temperature superconductivity.
23 February 2009
Writing in the journal Nature Materials, Dr A... | <urn:uuid:fb5b8efa-7ee9-4be5-b64d-3090719ff90b> | 3.796875 | 545 | News (Org.) | Science & Tech. | 7.085833 | 95,611,362 |
Type Function Object GroupObject Library display.* Return value none Revision 2018.3333 Keywords insert, group insert See also Group Programming (guide)
Inserts an object into a group.
Inserting display objects into a group also removes the object from it current group (objects cannot be in multiple groups). All displa... | <urn:uuid:37f3c6ad-9212-4b95-9bee-c2b2d1cb11ac> | 2.859375 | 467 | Documentation | Software Dev. | 69.518182 | 95,611,388 |
In 2013, during a visit by French president François Hollande to Morocco’s capital Rabat, a deal was made in secret for France to build a satellite for the Moroccan government. On November 7, 2017, four years after this deal was signed, Mohammed VI-A, Africa’s first high-resolution imaging satellite, was launched, givi... | <urn:uuid:57a66314-3b71-46d6-959d-0ae53fa823e5> | 3.125 | 904 | Nonfiction Writing | Science & Tech. | 34.77675 | 95,611,397 |
The geysers of Yellowstone National Park owe their eistence to the "Yellowstone hotspot"--a region of molten rock buried deep beneath Yellowstone, geologists have found.
But how hot is this "hotspot," and what's causing it?
In an effort to find out, Derek Schutt of Colorado State University and Ken Dueker of the Univer... | <urn:uuid:23b79606-372a-4175-8054-6e07f9276067> | 4.125 | 1,054 | Content Listing | Science & Tech. | 41.741725 | 95,611,403 |
A characteristic feature of L. monocytogenes is its ability to grow at refrigeration temperatures and in the presence of high concentrations of salt—traditional food preservation techniques, which arrest the growth of most other pathogens.
Work in the Sleator lab has shown that the bacterium protects itself from such s... | <urn:uuid:7c4ccf48-8a75-454e-9e5f-7aa4337daa11> | 2.734375 | 1,065 | Content Listing | Science & Tech. | 33.008462 | 95,611,404 |
Electrical Potential MCQs Quiz Online PDF Download
Practice electrical potential MCQs, A level physics test for online courses learning and test prep. As level physics quiz has multiple choice questions (MCQ), electrical potential quiz questions and answers to learn.
GCE physics practice test MCQ on if charge is placed... | <urn:uuid:c2f873c9-aca2-43a9-933c-4a7a54ba3e79> | 3.34375 | 202 | Product Page | Science & Tech. | 44.24906 | 95,611,427 |
The classical Carnot heat engine
The Stirling cycle is a thermodynamic cycle that describes the general class of Stirling devices. This includes the original Stirling engine that was invented, developed and patented in 1816 by Robert Stirling with help from his brother, an engineer.
The ideal Otto and Diesel cycles are... | <urn:uuid:cd559c0c-d5ae-4bab-961a-b38ee61c30e6> | 3.4375 | 2,214 | Knowledge Article | Science & Tech. | 33.490728 | 95,611,430 |
Although it would be natural enough to assume that the root of a Flex application is an
Application object (because the root tag of the runnable application is an
Application tag), it turns out that the default root object is, in fact, of type
In order to understand
SystemManager and the bootstrapping process, you have... | <urn:uuid:bb079bbe-0100-40a3-8d86-d8230e7377d9> | 2.703125 | 280 | Truncated | Software Dev. | 31.554775 | 95,611,434 |
By: SPACE.com Staff
Published: 02/21/2012 06:16 PM EST on SPACE.com
Scientists have measured the fastest winds yet observed from a stellar-mass black hole, shedding light on the behavior of these curious cosmic objects.
The winds, clocked by astronomers using NASA's Chandra X-ray Observatory, are racing through space a... | <urn:uuid:c5b6c623-f8e7-4fe8-a003-d4e9d8676a2f> | 3.421875 | 732 | Truncated | Science & Tech. | 55.289808 | 95,611,487 |
This weekend, members of the community braved the chilly morning for the annual Boneyard Creek Community Day! It was a rewarding morning spent collecting waste from various parts of Urbana-Champaign, making our public spaces a better place for both humans and wildlife to spend their time. A special thank you to the Vet... | <urn:uuid:cab2d009-0438-4621-a91d-06d1d4753eb6> | 3.359375 | 482 | News (Org.) | Science & Tech. | 42.323695 | 95,611,528 |
When NASA’s Aqua satellite passed over Yagi on June 11 it was a tropical storm with strong thunderstorms on its eastern side. An infrared image of the storm was taken from the Atmospheric Infrared Sounder (AIRS) instrument aboard NASA’s Aqua satellite on June 11 at 12:05 a.m. EDT. The areas with the coldest cloud top t... | <urn:uuid:219777af-849f-4ee0-8b47-b7ff5f96e6b7> | 2.8125 | 1,187 | Content Listing | Science & Tech. | 47.473409 | 95,611,532 |
A team of scientists from the University of Tübingen and the Senckenberg Center for Human Evolution and Palaeoenvironment Tübingen was able to recover fossils of two previously unknown mammal species that lived about 37 million years ago.
The newly described mammals show a surprisingly close relationship to prehistoric... | <urn:uuid:9559d3fe-54d9-4a0b-b504-151dc0420697> | 3.828125 | 1,580 | Content Listing | Science & Tech. | 38.290439 | 95,611,555 |
|An introduction of library operating system for Linux|
|By Thom Holwerda on 2015-03-25 00:14:02|
Our objective is to build the kernel network stack as a shared library that can be linked to by userspace programs to provide network stack personalization and testing facilities, and allow researchers to more easily simul... | <urn:uuid:f21c96f6-41eb-47fc-99aa-d56d7325417b> | 2.625 | 268 | Truncated | Software Dev. | 29.830441 | 95,611,560 |
NASA has released audio captured by its Cassini probe, just before it plunged head-first into the ringed planet on a death dive last year.
And it sounds like there’s something whistling down there.
But before you head to the doomsday bunkers to prepare for the Saturnian invasion, we should point out that they’re not th... | <urn:uuid:623f06ec-ef8f-4c21-8199-5cd389539e71> | 3.484375 | 439 | News Article | Science & Tech. | 38.859258 | 95,611,565 |
The coronal mass ejection that flew by Earth at some 900 miles per second produced a minor geomagnetic storm, which in-turn produced some particularly lovely northern lights.
U.S. Secretary of State John Kerry announced yesterday that he plans to take action in protecting the Ross Sea.
Tourists feeding stingrays have c... | <urn:uuid:a379c3a9-8a42-4a1a-8e4a-45f137ffabef> | 2.734375 | 522 | Content Listing | Science & Tech. | 43.945022 | 95,611,569 |
What is the Distributive Property?
Learn what the distributive property is, how to picture it, and what it means to say that multiplication is distributive over addition.
A while back, we talked about the commutative property of addition and we used this property to figure out how to add quickly. But the commutative pr... | <urn:uuid:6890fb56-9203-4abb-afeb-02e13d4800fd> | 3.578125 | 1,882 | Tutorial | Science & Tech. | 69.825477 | 95,611,570 |
The agricultural zone of southwestern Australia is an extensively modified landscape. Ninety percent of the perennial native vegetation has been cleared and replaced by annual cereal crops and pasture. Consequently, groundwater has risen and much of the region is affected by dryland salinity. River geomorphology and wa... | <urn:uuid:78ca6871-3361-47d2-889f-d6c50695f190> | 3.578125 | 265 | Academic Writing | Science & Tech. | -0.876911 | 95,611,620 |
Using the Visual Studio Integrated Development Environment
In this tutorial, we will look at the Visual Studio Integrated Development Interface (IDE) and see how it makes our software development much easier. We will look at syntax highlighting, Intellisense and the toolbars. We will also look at different methods of r... | <urn:uuid:b60ca884-6910-4181-a310-3773031600e8> | 2.796875 | 1,228 | Truncated | Software Dev. | 51.531194 | 95,611,659 |
Better Unit Tests
Better Unit Tests
Over the last few years, we have been adding unit tests to our existing product to improve its internal quality. During this period, we always had the challenge of choosing unit versus integration tests. I would like to mention some of the approaches we have applied to improve the qu... | <urn:uuid:1de4c0e2-e699-4ddc-a3d2-8cb245415fd2> | 2.578125 | 938 | Truncated | Software Dev. | 46.583472 | 95,611,660 |
How To Write An Error Analysis
The major difference between this estimate and the definition is the in the denominator instead of n. If it is only just outside the range (let's say, if the discrepancy is less than twice the error), then you can still regard your experiment as satisfactory. Also, when taking a series of... | <urn:uuid:54a252bc-091e-4a4a-886f-6732c7f841e2> | 3.34375 | 1,099 | Truncated | Science & Tech. | 47.15954 | 95,611,667 |
Clouds and the Earth's Radiant Energy System
Clouds and the Earth's Radiant Energy System (CERES) is on-going[update] NASA climatological experiment from Earth orbit. The CERES are scientific satellite instruments, part of the NASA's Earth Observing System (EOS), designed to measure both solar-reflected and Earth-emitt... | <urn:uuid:3714a524-c6be-445f-910c-c3d60fce0322> | 4.03125 | 2,441 | Knowledge Article | Science & Tech. | 61.140638 | 95,611,683 |
Imagine a new and improved biorefinery, one that produces advanced biofuels as environmentally sustainable as they are economically viable.
Ten Michigan State University professors have been named University Distinguished Professors in recognition of their achievements in the classroom, laboratory and community.
The Bo... | <urn:uuid:4668f64e-4691-43a9-a92c-874f59d6dfb4> | 2.78125 | 599 | Content Listing | Science & Tech. | 37.189984 | 95,611,717 |
When Martin McLaughlin ’15 arrived at MIT as a freshman in the fall of 2011, he had a plan in mind. McLaughlin wanted to work in the lab of Catherine Drennan, an MIT professor of biology and chemistry, and Howard Hughes Medical Institute (HHMI) investigator, who uses X-ray crystallography to study proteins.
And so McLa... | <urn:uuid:c39e778a-ecb4-4525-855f-e9fcb144a2db> | 3.25 | 1,955 | News (Org.) | Science & Tech. | 45.800451 | 95,611,760 |
Warm North Atlantic Ocean promotes extreme winters in US and Europe
The extreme cold weather observed across Europe and the east coast of the US in recent winters could be partly down to natural, long-term variations in sea surface temperatures, according to a new study published today.
Researchers from the University ... | <urn:uuid:19fdcaa0-f99f-4379-9722-27f67b5a9484> | 3.5 | 752 | News Article | Science & Tech. | 20.187882 | 95,611,761 |
27 No. 5
From the Editor
If metrology has never before tickled your interest, this issue of CI may change your mind. Several features should help convince you of the importance of the “scientific study of measurement” and its impact not only on all disciplines of science, but also on the world at large.
First, Ian Mill... | <urn:uuid:1f936ce1-32c1-4781-8a06-d48b28c89310> | 2.8125 | 440 | Knowledge Article | Science & Tech. | 39.738834 | 95,611,762 |
General: Thick pink body, black-edged dorsal and anal fins, black caudal fin. Small pelvic disc is used to attach to animals like tanner crabs, and frequently to research equipment.
Size: to 54 cm
Ocean range (global): South of Aleutian Islands to Baja California; western North Pacific (Honsu), southeastern Kamchatka t... | <urn:uuid:2f5912bc-7050-489a-9562-1259bae2c4b1> | 2.71875 | 418 | Knowledge Article | Science & Tech. | 64.374444 | 95,611,774 |
|MLA Citation:||Bloomfield, Louis A. "Question 770"|
How Everything Works 20 Jul 2018. 20 Jul 2018 <http://howeverythingworks.org/print1.php?QNum=770>.
A wet-bulb/dry-bulb system measures humidity by looking at the temperature drop that occurs when water evaporates. As water evaporates from the bulb of the wet thermome... | <urn:uuid:912362d2-69e9-4158-83a6-23e6db52715c> | 3.515625 | 197 | Knowledge Article | Science & Tech. | 61.740809 | 95,611,786 |
Experiments led by Nicolas Dauphas of the University of Chicago and Chicagos Field Museum have validated some controversial rocks from Greenland as the potential site for the earliest evidence of life on Earth.
"The samples that I have studied are extremely controversial," said Dauphas, an Assistant Professor in Geophy... | <urn:uuid:59d1bd59-bd4a-492a-afac-39d17e822419> | 3.453125 | 785 | Content Listing | Science & Tech. | 36.668847 | 95,611,794 |
NASA's Marshall Space Flight Center (MSFC) is the lead center for Materials Science Microgravity Research. The Materials Science Research Facility (MSRF) is a key development effort underway at MSFC. The MSRF will be the primary facility for microgravity materials science research on board the International Space Stati... | <urn:uuid:c78aa46c-d698-41ea-ac5c-40c4f37df8eb> | 2.640625 | 233 | About (Org.) | Science & Tech. | 27.323194 | 95,611,800 |
Hubble explores the dark side of cosmic collisions
Astronomers using observations from the NASA/ESA Hubble Space Telescope and NASA's Chandra X-ray Observatory have studied how dark matter in clusters of galaxies behaves when the clusters collide. The results, published in the journal Science on 27 March 2015, show tha... | <urn:uuid:226efad6-557b-4fb4-996d-4f07b3976c51> | 3.421875 | 2,340 | Content Listing | Science & Tech. | 45.414155 | 95,611,806 |
When to use surrogate keys in InnoDB tables
Posted in Databases on May 10, 2006
InnoDB is a special case among MySQL storage engines because they have clustered indexes, which means surrogate keys have to be treated differently in InnoDB. This article gives a quick overview of clustered indexes, and explains why they m... | <urn:uuid:47181d8b-1ed2-4b64-b760-b7fa02148193> | 2.546875 | 793 | Tutorial | Software Dev. | 42.62933 | 95,611,812 |
Heidelberg researchers show that nerve cell centralisation does begin in multicellular animals
While searching for the origin of our brain, biologists at Heidelberg University have gained new insights into the evolution of the central nervous system (CNS) and its highly developed biological structures. The researchers ... | <urn:uuid:17d9f103-76bf-42ea-864c-f0649681bff7> | 2.953125 | 1,345 | Content Listing | Science & Tech. | 38.90334 | 95,611,822 |
The Biot-Savart Law describes the magnetic field which is generated by an electric current. It related the magnetic field to the magnitude, direction, length and proximity of the electric current present. The law is used in magnetostatic approximation.
The Biot-Savart law is used for calculating the resultant magnetic ... | <urn:uuid:c206e2bd-4cc4-4df9-8846-c0aa66898981> | 3.390625 | 276 | Knowledge Article | Science & Tech. | 44.815098 | 95,611,832 |
In spacecraft propulsion, a Hall-effect thruster (HET) is a type of ion thruster in which the propellant is accelerated by an electric field. Hall-effect thrusters trap electrons in a magnetic field and then use the electrons to ionize propellant, efficiently accelerate the ions to produce thrust, and neutralize the io... | <urn:uuid:de768993-db8a-4560-8756-7e35531fed42> | 3.84375 | 4,094 | Knowledge Article | Science & Tech. | 52.335982 | 95,611,834 |
The methods of computerized tomography (CT), developed for medical x-ray applications, can be adapted for use in studying plasma x-ray emissivity distributions in tokamaks and other magnetic confinement devices. Current generation CT scanners reconstruct maps of x-ray absorptivity on body cross sections by processing t... | <urn:uuid:82fb0032-3b9e-476f-a73c-7db974d2d38c> | 2.578125 | 297 | Academic Writing | Science & Tech. | 38.406602 | 95,611,874 |
Researchers at the University of Rochester have overcome experimental challenges to demonstrate a new way for getting a full picture of twisted light: characterizing the Wigner distribution.
Twisted light has raised researchers' interest for its potential for quantum communication applications. The discrete nature of o... | <urn:uuid:4351abfe-df14-4792-bba2-1b3ef9fe0c30> | 3.15625 | 1,169 | Content Listing | Science & Tech. | 35.185617 | 95,611,883 |
The equatorial coordinate system is a celestial coordinate system widely used to specify the positions of celestial objects. It may be implemented in spherical or rectangular coordinates, both defined by an origin at the centre of Earth, a fundamental plane consisting of the projection of Earth's equator onto the celes... | <urn:uuid:81a76f6e-3614-4d42-9c71-cc7008de42f9> | 4.1875 | 1,111 | Knowledge Article | Science & Tech. | 34.557693 | 95,611,892 |
), however, is a radioactive isotope, the other two being stable.
Understanding the ages of related fossil species helps scientists piece together the evolutionary history of a group of organisms.
Pioneers It is often overlooked that throughout the nineteenth century, most of the electrical experimenters, inventors and... | <urn:uuid:e866d705-c9e3-404a-803e-1063314bd812> | 3.578125 | 293 | Knowledge Article | Science & Tech. | 40.609209 | 95,611,897 |
The last several decades have witnessed the rapid development of alkaline anion exchange membrane fuel cells (AAEMFCs) that possess a series of advantages as compared to acid proton exchange membrane fuel cells, such as the enhanced electrochemical kinetics of oxygen reduction reaction and the use of inexpensive non-pl... | <urn:uuid:8cd11f88-9cc8-4f94-b6be-4b3c8addfa91> | 2.84375 | 672 | Truncated | Science & Tech. | 32.218095 | 95,611,905 |
Here we are going to set up Apache tomcat and Eclipse on Arch Linux to JavaEE development. Before that take look at what are these tomcat and Eclipse.
Apache tomcat is a web server( can handle HTTP request and responses ) specially created to deploy JSPs and Java Servlets.
Eclipse is an integrated development environme... | <urn:uuid:fddb56c1-1c96-4bde-8853-c08243c3d79f> | 3.375 | 485 | Personal Blog | Software Dev. | 60.925312 | 95,611,918 |
Study of solar flare induced D-region ionosphere changes using VLF amplitude observations at a low-latitude site
We obtained and analyzed 26 solar flare events from C2.56 to X3.2 classes at Tay Nguyen University, Vietnam (12.56° N, 108.02° E) during May – December, 2013 using Very Low Frequency remote sensing to unders... | <urn:uuid:99001e07-60c8-4f4b-986c-9d56fa08c1e5> | 2.71875 | 389 | Academic Writing | Science & Tech. | 47.770877 | 95,611,931 |
The work honey bees do is critical for our ecosystems, but it comes at a high personal cost.
The Romans may not have had a symbol for zero, but bees understand what it means beyond just the simple assumption "there's nothing there".
Many fruits, nuts and other crops rely on bees to pollinate their flowers at just the r... | <urn:uuid:fe2f08e8-e939-495b-ab28-fc8064cc8e2c> | 3.5625 | 565 | Content Listing | Science & Tech. | 42.752136 | 95,611,932 |
Most of the thousands of exploding stars classified as type Ia supernovae look similar, which is why astrophysicists use them as accurate cosmic distance indicators. They have shown that the expansion of the universe is accelerating under the influence of an unknown force now called dark energy; yet approximately 20 ty... | <urn:uuid:cedc7580-1c0d-438c-8707-f009c4102f62> | 3.921875 | 1,814 | Content Listing | Science & Tech. | 35.934965 | 95,611,937 |
One of the impacts of fossil fuels is an increase in acid deposition (or acid rain as many people refer to it). The following exercise asks you to calculate how much lime (an alkaline rock, not the tasty green fruit) it would take to increase the pH of a small lake.
Consider a small lake in the Adirondack region of New... | <urn:uuid:72037cf6-b686-4866-aa22-92b4d8228e63> | 3.8125 | 634 | Tutorial | Science & Tech. | 83.617826 | 95,612,020 |
CO2, Global Warming and Coral Reefs - Prospects for the Future
The hydrocarbon energy industry is attacked from at least four flanks:
1. Global Warming
3. Species endangerment
4. Ocean acidification and destruction of Coral Reefs
SPPI has produced a major paper addressing the alarms and true science on #4 above.
The Su... | <urn:uuid:7aa5c820-442d-4a69-a0a4-047a848c0746> | 3.140625 | 1,087 | Personal Blog | Science & Tech. | 27.759993 | 95,612,041 |
In mathematics, a Tamari lattice, introduced by Dov Tamari (1962), is a partially ordered set in which the elements consist of different ways of grouping a sequence of objects into pairs using parentheses; for instance, for a sequence of four objects abcd, the five possible groupings are ((ab)c)d, (ab)(cd), (a(bc))d, a... | <urn:uuid:6680a3fc-3552-45b3-8359-3073f6e54594> | 3.828125 | 1,080 | Knowledge Article | Science & Tech. | 74.821471 | 95,612,063 |
Observing the image of a faint object that lies close to a star is a demanding task as the object is generally hidden in the glare of the star. Characterising this object, by taking spectra, is an even harder challenge. Still, thanks to ingenious scientists and a new ESO imaging spectrograph, this is now feasible, pavi... | <urn:uuid:81ddaa94-3d66-41da-ae44-a8918fb8c88a> | 3.484375 | 1,819 | Content Listing | Science & Tech. | 47.586992 | 95,612,105 |
Development of the Chemical Composition of Sand
The chemical composition of the single types of source rocks and the sand fraction 63 — 500 μm of the soils, of the effective composition of the source rocks and soils, of the river-mouth sediments and of the longshore bar is compared. Gain and loss and constant-AI2O3 cal... | <urn:uuid:4a1da500-3273-4cf9-9865-73c4b2d2d274> | 3.03125 | 202 | Truncated | Science & Tech. | 31.718333 | 95,612,115 |
Cellular Contamination Pathway for Heavy Elements Identified
News Sep 01, 2015
Scientists at Lawrence Berkeley National Laboratory (Berkeley Lab) have reported a major advance in understanding the biological chemistry of radioactive metals, opening up new avenues of research into strategies for remedial action in the e... | <urn:uuid:71a9ef4e-4a0e-4d45-bcc0-750271477607> | 2.828125 | 964 | News Article | Science & Tech. | 16.561307 | 95,612,120 |
All air movements have their roots in pressure differentials in the atmosphere, called pressure gradients. Systematic differences in the Earth's land temperature affect air pressure, and significant patterns of pressure that persist over time are called pressure belts, or wind belts. Wind belts depend on temperature, s... | <urn:uuid:2fbc6453-d7b2-4e7f-b0a9-b9b33f2ab4cb> | 4.65625 | 486 | Knowledge Article | Science & Tech. | 36.779198 | 95,612,170 |
SCANNING ELECTRON MICROSCOPY (SEM)
ENERGY DISPERSIVE SPECTROSCOPY (EDS)
Scanning Electron Microscopy (SEM) Energy Dispersive Spectroscopy (EDS) is a combined analytical methodology used to visually capture and represent a detailed image of the substance while qualitatively identifying the elemental make-up of the sampl... | <urn:uuid:6b551b31-a81a-4c8d-a364-a261fb0dafc4> | 3.1875 | 1,092 | Knowledge Article | Science & Tech. | 18.462323 | 95,612,172 |
A ridiculous amount of coffee was consumed in the process of building this project. Add some fuel if you'd like to keep me going!
Fast radio bursts: What are these ‘insanely powerful,’ unexplained signals from space?
March has been a landmark month for fast radio bursts with three of the unexplained signals from outer ... | <urn:uuid:e7d0f42e-eadd-4546-af17-81e3a5c9f24b> | 2.953125 | 650 | News Article | Science & Tech. | 50.998077 | 95,612,173 |
Squid-inspired 'invisibility stickers' could help soldiers evade detection in the dark
Squid are the ultimate camouflage artists, blending almost flawlessly with their backgrounds so that unsuspecting prey can't detect them. Using a protein that's key to this process, scientists have designed "invisibility stickers" th... | <urn:uuid:1089e77e-2fb1-4a1f-92de-2644ecfbbeec> | 2.921875 | 1,076 | News Article | Science & Tech. | 25.5935 | 95,612,181 |
+44 1803 865913
By: Philip Howse(Author), Kirby Wolfe(Illustrator)
192 pages, colour photos, colour illustrations
The most spectacular wild silkmoths live in tropical and subtropical forests and include the elegant moon moths with delicate pale green wings and long tails, the huge atlas moths with snake patterns embroi... | <urn:uuid:08f9c7f6-7777-4838-a0ed-e359f6a0ac9f> | 2.578125 | 456 | Product Page | Science & Tech. | 33.548405 | 95,612,184 |
Structured Types in General — The Array Type in Particular
Simple types (ordinal and real types) are unstructured types. The other types in Pascal are structured types and pointer types. As structured statements are compositions of other statements, structured types are compositions of other types. It is the type(s) of... | <urn:uuid:2eac72da-e93b-4fe7-b796-f48a6f485bce> | 2.859375 | 108 | Truncated | Software Dev. | 19.871667 | 95,612,193 |
Plumes are fluid motions that are produced by continuous sources of buoyancy. Convective currents set up by heated bodies such as a cigarette and a space heater are examples. The fluid in contact with the body attains a higher temperature than its surrounding fluid, rises as a result of its lower density, and in so doi... | <urn:uuid:92682049-6af4-400c-8341-a13254c0ed48> | 3.90625 | 238 | Truncated | Science & Tech. | 32.110694 | 95,612,209 |
In a paper published in the Journal of Cell Biology, Sharon Campbell, PhD, professor of Biochemistry and Biophysics and member of UNC Lineberger Comprehensive Cancer Center, and Clare Waterman of the National Heart, Lung and Blood Institute at the National Institutes of Health showed that cell mobility occurs through t... | <urn:uuid:80e1db77-e4d1-4867-830a-c57e55a62c91> | 3.171875 | 1,458 | Content Listing | Science & Tech. | 40.431538 | 95,612,211 |
The team scouring off the coast of Washington was positive that they recovered the fragments of the meteorite that crashed on March 7. A NASA scientist said it is the largest meteorite he has seen in 21 years.
Space July 4, 2018
Ancient planets that formed during the early solar system gave birth to the asteroids in th... | <urn:uuid:e2f4df27-135e-4cc8-8248-3a6f8d5da83f> | 3.28125 | 2,027 | Content Listing | Science & Tech. | 51.317585 | 95,612,213 |
Building a Synthetic Brain
Posted on Thursday, February 3, 2011 | Filed Under: News
Building a Synthetic Brain
For electrical engineer Alice Parker ’70, ’75 PHD, simulating the machine on your shoulders is more complicated than building the latest computer chip.
Forget the Pentium. As you read this, you’re using a mach... | <urn:uuid:45c49fef-0f93-48f9-ba1e-36331c27d418> | 3.25 | 921 | Truncated | Science & Tech. | 48.12 | 95,612,223 |
24th May 2013
Amphibian populations are plummeting, U.S. survey finds
The first detailed estimate of how quickly frogs, toads and salamanders in the United States are disappearing from their habitats reveals they are vanishing at an alarming and rapid rate.
According to the study, published this week in the journal PLO... | <urn:uuid:0943966a-8eb0-46ba-9eed-60e3d29d1bd2> | 2.78125 | 868 | News (Org.) | Science & Tech. | 31.699111 | 95,612,225 |
University of Maryland physicists contribute to identification of second gravitational wave event using data from Advanced LIGO detectors
UTC, scientists observed gravitational waves--ripples in the fabric of spacetime--for the second time.
This image depicts two black holes just moments before they collided and merged... | <urn:uuid:0c9c264a-1c2a-4226-acca-bbbf9f268031> | 3.53125 | 2,576 | Content Listing | Science & Tech. | 31.182603 | 95,612,227 |
At lengths upwards of 6 feet (1.8 m), Arthropleura was the largest land-dwelling arthropod of all time. Its many legs sprouted from around 30 jointed segments covered in armored plating, segments of which have been discovered by paleontologists. Due to its size, Arthropleura probably had few, if any, enemies. Scientist... | <urn:uuid:d8860b99-deee-48da-a52e-29b106502a88> | 3.671875 | 209 | Truncated | Science & Tech. | 56.299481 | 95,612,241 |
The THz band is occupied by oscillatory modes of many biological structures, shown crudely here . Of particular interest is the interaction with hydrogen bond networks, as these are ubiquitous in any biological system. Hydrogen bonds form in populations of polar molecules for which hydrogen constitutes the "positive" p... | <urn:uuid:0cc3e3f7-0a3d-428a-87f6-73beeb09521f> | 3.484375 | 1,183 | Knowledge Article | Science & Tech. | 29.985745 | 95,612,247 |
Which nations are at the greatest vulnerability to the negative impacts of climate change? According to research, not the nations who caused it. MHA@GW, the online master of health administration from the Milken Institute School of Public Health at the George Washington University shared with us this data visualization... | <urn:uuid:f86fa3d0-f00c-44d1-87e5-327e080b8fe1> | 2.71875 | 123 | Truncated | Science & Tech. | 24.393706 | 95,612,259 |
Teaching Microscopes to See - A Conversation with Professor Duane LohThursday, April 27, 2017
Duane Loh is currently an Assistant Professor in Physics and Biology and a former LKY post-doctorate fellow at the National University of Singapore. He has a PhD in Computational Physics from Cornell University and completed h... | <urn:uuid:64f587aa-8429-4fbf-a16e-34de13d0af20> | 3.03125 | 977 | Audio Transcript | Science & Tech. | 22.675 | 95,612,286 |
Synchronous and Asynchronous Script Loading
By Stephen Bucaro
When a web page is loaded, the browser parses through the code identifying each html tag
and performing whatever rendering or loading function that tag defines. By default that
action occurs synchronously. In other words the browser downloads and executes an... | <urn:uuid:d06480c7-8d7d-4f61-97a8-9d5421cea4f5> | 3.140625 | 615 | Documentation | Software Dev. | 41.414651 | 95,612,320 |
At the present time the majority of unsolved problems in Fluid Dynamics are governed by non-linear partial differential equations and can only be treated by a numerical approach. As a consequence, specialists in Fluid Dynamics have recently devoted increasing attention to numerical, as opposed to analytical, techniques... | <urn:uuid:16c007ef-0589-407a-b9f3-b1eaaccaee9b> | 2.78125 | 176 | Truncated | Science & Tech. | 13.758859 | 95,612,327 |
Identification and observation of desertification processes with the aid of measurements from space: Results from the European Field Experiment in Desertification-threatened Areas (EFEDA)
- 85 Downloads
The ECHIVAL Field Experiment in Desertification-threatened Areas (EFEDA) addresses the question of desertification fr... | <urn:uuid:5600d11c-b221-4966-aa41-c27d05c9338e> | 3.078125 | 783 | Academic Writing | Science & Tech. | 36.248988 | 95,612,342 |
Impact of human trampling in different zones of a coral reef flat
- 352 Downloads
The effects of trampling on the coral communities of the outer reef flat and reef crest were investigated at Heron Island at the southern end of the Great Barrier Reef. Eighteen months of trampling at various intensities increased the per... | <urn:uuid:8396d098-95ac-41fc-89e9-5e09a10c5ee0> | 3.53125 | 849 | Truncated | Science & Tech. | 60.901852 | 95,612,343 |
Orbital motion and the natural laws that cause it can be illustrated by the behavior of our nearest astronomical neighbor, the Moon. The Moon revolves around the center of mass of the Earth- Moon system in an elliptical orbit with a period of one sidereal month. The proximity of the Moon to the Earth and the shortness ... | <urn:uuid:192d0cda-8b2c-4edb-813b-b0597485bf81> | 4.21875 | 189 | Truncated | Science & Tech. | 36.745 | 95,612,344 |
Places Slipping Away
They offer us breathtaking vistas, ecological and archaeological treasures, as well as a window into history. But if present trends continue and the world keeps burning fossil fuels at its current pace, it's likely that few of them will be recognizable a century from now.
From places like Virginia'... | <urn:uuid:ae3c6183-cbdc-406c-91c8-0781fa0eb62b> | 2.6875 | 142 | Truncated | Science & Tech. | 31.155 | 95,612,362 |
Aquatic and Terrestrial Invasive Species Identification and Survey Training
Join us in welcoming Adirondack Park Invasive Plant Program’s Erin Vennie-Vollrath and Zack Simek for a free workshop during New York’s Invasive Species Awareness Week. This hands-on workshop will provide training on how to survey and identify ... | <urn:uuid:fd1f5e49-94b8-498e-b477-5461383f1aac> | 2.90625 | 188 | News (Org.) | Science & Tech. | 37.941581 | 95,612,396 |
|This article is a stub. Please help Sciencemadness Wiki by expanding it, adding pictures, and improving existing text.
A Schlenk flask (or Schlenk tube) is a reaction vessel often used in air-sensitive chemistry or for storing sensitive chemicals, either hygroscopic or air-sensitive. These flasks are often connected t... | <urn:uuid:ad86488e-5f9d-4716-885b-9d4dd3ffd820> | 3.34375 | 538 | Knowledge Article | Science & Tech. | 52.703245 | 95,612,450 |
radiolarian ooze . A deep-sea pelagic sediment containing at least 30% opaline-silica tests of radiolarians. It is a siliceous ooze.
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kinoite (kin'-o-ite). A blue monoclinic mineral: Ca2Cu2Si3O8(OH)4 .
Båth's law . A generalization in seismology that the largest aftershock ... | <urn:uuid:6c6febe4-a193-4fbe-8e21-9fe3b9f9f59e> | 2.765625 | 582 | Structured Data | Science & Tech. | 41.050041 | 95,612,471 |
+44 1803 865913
Edited By: William J McShea, H. Brian Underwood and John H Rappole
402 pages, Figs, tabs
Assesses the management of deer populations from an ecosystem perspective, contending that since deer are unevenly dispersed within protected areas and the effects of high management options should be tested at the ... | <urn:uuid:9c91b791-8b92-4409-9b20-f1ca9881302f> | 2.875 | 254 | Product Page | Science & Tech. | 32.964226 | 95,612,474 |
Researchers with the National Snow and Ice Data Center (NSIDC) say the amount of Arctic sea ice has set a record low for the month of January.
"January was unusually warm across the Arctic Ocean thanks to a shift in the jet stream," said weather.com meteorologist Quincy Vagell. "A trough of low pressure in the North Pa... | <urn:uuid:f772088f-2a60-4091-ba2f-6668adb1e6a6> | 3.4375 | 341 | News Article | Science & Tech. | 54.39 | 95,612,505 |
Programming in C is thought of tough because of The truth that It's not at all founded and flexible as The brand new constructions,however it is made usage of normally within the Electronics industry. Despite the imperfections, C is probably the recognized and frequently built utilizes of programming language.
We get o... | <urn:uuid:e86338f5-fd38-4bb1-bfe4-335321661f3a> | 2.921875 | 3,264 | Spam / Ads | Software Dev. | 37.946549 | 95,612,507 |
The protection of organic carbon stored in forests is considered as an important method for mitigating climate change. Like terrestrial ecosystems, coastal ecosystems store large amounts of carbon, and there are initiatives to protect these 'blue carbon' stores. Organic carbon stocks in tidal salt marshes and mangroves... | <urn:uuid:ac244100-c299-4f6e-a633-fc89eaf0ddcb> | 3.40625 | 285 | Academic Writing | Science & Tech. | 29.171745 | 95,612,518 |
+44 1803 865913
Edited By: Martin Hovland
278 pages, Illus, figs, tabs
Deep-water coral reefs are found along large sections of the outer continental shelves and slopes of Europe, from North Cape to the Gulf of Cadiz, and because they also occur along the Atlantic seaboard of USA, the Gulf of Mexico, off Brazil, in the... | <urn:uuid:503cb9e6-e364-4246-9919-1e4742567f34> | 2.578125 | 453 | Product Page | Science & Tech. | 27.95703 | 95,612,530 |
In this article we look at one of the issues inherent in C when building larger projects – the problem of function and object naming. We look at the C++ solution to this: namespaces.
A problem with big projects in C
When we move to multi-file projects the problem in C is having to create unique names for functions and ... | <urn:uuid:e81a4431-f31a-4c9e-9143-dbb69e3afc65> | 3.625 | 1,908 | Personal Blog | Software Dev. | 35.477321 | 95,612,540 |
More precisely, the average size of Soay sheep on the island has declined about 5 percent in both body weight and stature since researchers began taking measurements of the herd in 1985.
The finding is the exact opposite of how researchers would have expected the sheep to respond to the consistent warming trend that gl... | <urn:uuid:d292e15b-9eab-4ee0-972e-5c4c0e869646> | 3.40625 | 1,702 | Content Listing | Science & Tech. | 45.628639 | 95,612,546 |
hs2lazy -- Haskell to Lazy K compiler
What is this?
This is a translator from a subset of Haskell to Lazy K.
How to compile
You can build hs2lazy with GHC by following command:
ghc -o hs2lazy --make Main.hs
How to use
hs2lazy [source files]
If multiple source files are given, they are concatenated in the order specifie... | <urn:uuid:2bea6146-11ca-4190-9892-d1899c2e4afd> | 2.75 | 406 | Documentation | Software Dev. | 64.722714 | 95,612,558 |
Where did the Universe come from? A question that intrigued Stephen W.Hawking, the Cambridge university Physicist, author of bestselling book,” A Brief History of Time”, which sold more than 10 million copies . A leader of his generation in exploring gravity and studying the properties of “Black holes’.
What is a black... | <urn:uuid:bb4682ac-ba7c-40b3-a4ac-8631ecce7185> | 3.234375 | 343 | Nonfiction Writing | Science & Tech. | 44.237624 | 95,612,583 |
Physics 2048 Spring 2008. Lecture #4 Chapter 4 motion in 2D and 3D. Definitions Projectile motion Uniform circular motion Relative motion. Chapter 4 – 2D and 3D Motion. Definitions. Position vector: extends from the origin of a coordinate system to the particle.
Lecture #4 Chapter 4 motion in 2D and 3D
Position vector:... | <urn:uuid:a32276e8-4d42-49f5-a643-72ac52b0023a> | 3.734375 | 534 | Truncated | Science & Tech. | 45.586872 | 95,612,648 |
Frontiers Commentary ARTICLE
In Chaotropy Lies Opportunity
- Department of Environmental Systems Sciences, Institute of Biogeochemistry and Pollutant Dynamics, Swiss Federal Institute of Technology Zurich, Zurich, Switzerland
by Zajc J., Džeroski S., Kocev D., Oren A., Sonjak S., Tkavc R., et al. (2014). Front. Microbi... | <urn:uuid:9a69e6c1-1b49-4630-934f-41c5535bc94a> | 2.53125 | 2,790 | Academic Writing | Science & Tech. | 49.423838 | 95,612,658 |
Yale University scientists have answered a 40-year-old question about Arctic ice thickness by treating the ice floes of the frozen seas like colliding molecules in a fluid or gas.
Although today's highly precise satellites do a fine job of measuring the area of sea ice, measuring the volume has always been a tricky bus... | <urn:uuid:267692e4-ca76-4cae-816b-b34064531b15> | 3.359375 | 1,143 | Content Listing | Science & Tech. | 37.077994 | 95,612,659 |
co-hosted episode with Kevin from New Zealand and Wolfgang from Germany
This episode we want to dedicate to the animals and the burden inflicted on the other species by us, Homo sapiens. In times of abrupt climate change or ongoing anthropogenic climate disruption, there is no doubt, we are in the sixth mass extinction... | <urn:uuid:86ea1a9f-fb32-455d-b1aa-5ffd8d1307aa> | 2.78125 | 560 | Content Listing | Science & Tech. | 35.209477 | 95,612,675 |
Top and Bottom Margin for Frame.When the object is serialized out as xml, its qualified name is w:marH.
Assembly: DocumentFormat.OpenXml (in DocumentFormat.OpenXml.dll)
'Declaration Public Class MarginHeight _ Inherits PixelsMeasureType 'Usage Dim instance As MarginHeight
public class MarginHeight : PixelsMeasureType
[... | <urn:uuid:aca429d7-ea80-4fe0-92ec-d1753e57cc2c> | 2.671875 | 461 | Documentation | Software Dev. | 51.080791 | 95,612,700 |
Nanochemistry is the combination of chemistry and nanoscience. Nanochemistry is associated with synthesis of building blocks which are dependent on size, surface, shape and defect properties. Nanochemistry is being used in chemical, materials and physical, science as well as engineering, biological and medical applicat... | <urn:uuid:e50d2d01-da95-4bd1-a251-de6ede32503f> | 3.515625 | 4,711 | Knowledge Article | Science & Tech. | 23.420533 | 95,612,701 |
Frozen surficial sediments that are otherwise unconsolidated contain structures and characteristics that are different from those of the same sediments when in an unfrozen state. These differences are usually related to either the nature of the ice contained within the frozen sediment or to weathering processes and che... | <urn:uuid:095139ca-dd6d-4d18-89d6-c85579e25558> | 3.0625 | 155 | Academic Writing | Science & Tech. | -0.12 | 95,612,705 |
Mari Kimura is a New York based solo violinist that usually lectures at the acknowledged Juilliard School of Music. She is one of the extremely few people who can produce controlled subharmonic tones on violin. Kimura has developed this trait to a signature feature in her compositions and improvisations. The sounds she... | <urn:uuid:18d1bdb5-fba5-4516-b8d3-fafdec2fb26c> | 3.125 | 1,168 | Content Listing | Science & Tech. | 42.516483 | 95,612,707 |
Blog text by Petri Nummi, Eeva-Maria Suontakanen, Sari Holopainen and Veli-Matti Väänänen “Beavers facilitate Teals at different scales” is now available on the Ibis website.
In a remote country lived a rich mire species community. But that was once upon a time, when Finland was a land of mires. Nowadays, only fragment... | <urn:uuid:137117ff-626d-49ae-9a11-ce31f54e9680> | 3.28125 | 4,043 | Content Listing | Science & Tech. | 36.5823 | 95,612,717 |
The researchers also determined the fate of most of those gas and oil compounds using atmospheric chemistry data collected from aircraft last June. They say their new methods could be applied to future oil spills, whether in shallow or deep water.
The new analysis has been accepted for publication in Geophysical Resear... | <urn:uuid:cb5db0ce-442f-4bf4-ba1d-b62d9fd945d9> | 3.734375 | 1,182 | Content Listing | Science & Tech. | 34.50825 | 95,612,751 |
Species Detail - Physella acuta - Species information displayed is based on all datasets.
Terrestrial Map - 10kmDistribution of the number of records recorded within each 10km grid square (ITM).
Marine Map - 50kmDistribution of the number of records recorded within each 50km grid square (WGS84).
Physa acuta, Physa hete... | <urn:uuid:cc318019-c204-4143-b3a0-9da8ea285575> | 2.859375 | 172 | Structured Data | Science & Tech. | 14.139517 | 95,612,761 |
Five of the most high-risk freshwater invaders from the Ponto-Caspian region around Turkey and Ukraine are now in Britain - including the quagga mussel, confirmed just two weeks ago on 1 October in the Wraysbury River near Heathrow airport.
Researchers say that, with at least ten more of these high-risk species establi... | <urn:uuid:180771c4-91a2-40d0-8b2c-14e492e5e116> | 2.671875 | 1,858 | Content Listing | Science & Tech. | 37.934742 | 95,612,788 |
In the year of August 2017, scientists identified gravitational waves for the first time which took place due to the merger of two super-dense stellar corpses which are known as neutron stars. This benchmark discovery was a massive step in the process of better understanding of cosmos as revealed by the scientists.
Whe... | <urn:uuid:d853a48e-b884-4aff-81f6-d16e5f8c6274> | 3.375 | 148 | Truncated | Science & Tech. | 23.012242 | 95,612,818 |
Please forward this error screen to sharedip-1487231211. America’s Solar Energy Potential Every hour, the sun radiates more energy onto the mathematics of planet earth pdf than the entire human population uses in one whole year.
The technology required to harness the power of the sun is available now. Solar power alone... | <urn:uuid:f8b2ee6c-8c53-4a86-8e31-2b6a81f8d985> | 3.25 | 604 | Spam / Ads | Science & Tech. | 38.246177 | 95,612,833 |
Actinides are present in the environment as a result of nuclear weapons product and nuclear fuel disposition and pose a long-term environmental concern due to their toxicity and long half-lives. Understanding and predicting their mobility is important for risk management. By using a combination of wet chemistry, instru... | <urn:uuid:d358a39d-b16b-41d9-8c07-4b438626a636> | 2.5625 | 1,070 | About (Org.) | Science & Tech. | 12.436431 | 95,612,879 |