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The water tank has a cuboid with edges a= 1 m, b=2 m , c = 1 m. Calculate how many centimeters of water level falls, if we fill fifteen 12 liters cans.
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To solve this example are needed ... | <urn:uuid:8e97902c-2a6c-49cc-9f39-d1f76a62de04> | 3.3125 | 758 | Tutorial | Science & Tech. | 95.996717 | 95,476,263 |
Perseid Meteor Shower Peaks This Weekend
Look up Friday and Saturday nights (Aug. 11 and 12) for this year's Perseid meteor shower peak.
For Northern Hemisphere observers, August is usually regarded as "meteor month," with one of the best displays of the year reaching its peak near midmonth. That display is, of course,... | <urn:uuid:34248a9d-068a-47a3-922a-20259a4f9ced> | 2.515625 | 698 | News Article | Science & Tech. | 61.921534 | 95,476,299 |
Researchers program biomaterials with ‘logic gates’ that release therapeutics in response to environmental triggers
Drug treatments can save lives, but sometimes they also carry unintended costs. After all, the same therapeutics that target pathogens and tumors can also harm healthy cells.
To reduce this collateral dam... | <urn:uuid:74417c06-78c6-4236-af1d-55ad9ea70374> | 2.875 | 1,891 | News Article | Science & Tech. | 38.756413 | 95,476,316 |
Polymer(Redirected from Polymers)
A polymer (//; Greek poly-, "many" + -mer, "part") is a large molecule, or macromolecule, composed of many repeated subunits. Because of their broad range of properties, both synthetic and natural polymers play essential and ubiquitous roles in everyday life. Polymers range from famili... | <urn:uuid:ec96f9c0-1a6b-4b11-b522-1f4df6312efc> | 3.265625 | 9,229 | Knowledge Article | Science & Tech. | 33.067521 | 95,476,322 |
An innovative new NASA-funded study based on a combination of satellite data, computer models and weather balloon readings finds that smoke from Alaskan and Canadian forest fires as much as doubled ground-level ozone thousands of miles away in Houston during a two-day period in July 2004. The study, which will appear o... | <urn:uuid:f8bf16ec-53ec-4150-bb60-54429fa99698> | 3.671875 | 1,478 | Content Listing | Science & Tech. | 36.296969 | 95,476,326 |
Due to end-of-semester busyness, I was not able to update over the weekend. But, I want to try and stay on my self-assigned blog schedule, and now I'm just studying for finals, so a day late is better than a week, right?
I already had the idea that science tried to break things apart. But, generally, I always thought t... | <urn:uuid:e404dee5-26c4-40b7-b3d6-259069280be7> | 2.765625 | 2,361 | Personal Blog | Science & Tech. | 57.064542 | 95,476,365 |
Climate change is quickly becoming the biggest threat to the long-term survival of America’s wildlife. No longer is climate change something only facing future generations—changes to our climate are being documented all across the planet today, and people, animals, and plants are already feeling the heat. This warming ... | <urn:uuid:6c1a804e-ed8f-4c73-925d-8df136d0b60e> | 4.15625 | 1,533 | Knowledge Article | Science & Tech. | 36.692323 | 95,476,380 |
Degrees of freedom (mechanics)(Redirected from Degrees of freedom (engineering))
In physics, the degree of freedom (DOF) of a mechanical system is the number of independent parameters that define its configuration. It is the number of parameters that determine the state of a physical system and is important to the anal... | <urn:uuid:0afce95b-6326-496f-aee9-a3dafe2611ce> | 3.46875 | 2,131 | Knowledge Article | Science & Tech. | 46.736844 | 95,476,393 |
The Fundamental Theorem of Calculus
For scalar functions of one variable, the fundamental theorem of calculus is a powerful tool for integration. It says that there exists an associated function, often called an antiderivative, such that the integral of the scalar function can be evaluated by looking at the antiderivat... | <urn:uuid:02b406ea-f5bd-4a22-b450-c35ea3187c59> | 3.1875 | 109 | Truncated | Science & Tech. | 21.598 | 95,476,407 |
The New Horizons mission is the first spacecraft to reconnoitre the Pluto-Charon System and the Kuiper belt. This pioneering mission explores the outer edge of the solar system, arguably the last frontier of planetary exploration. This book describes the mission, its objectives, expected results, payload and data produ... | <urn:uuid:8daf641d-670f-486e-a6c4-3f607c3da96f> | 3.015625 | 119 | Truncated | Science & Tech. | 27.792545 | 95,476,413 |
CAPE CANAVERAL, Fla. (AP) — NASA’s next Mars mission is still alive.
Instead of scrapping the grounded Mars InSight spacecraft, the space agency announced Wednesday it’s shooting for a 2018 launch. The robotic lander was supposed to lift off this month, but ended up sidelined in December by a leak in a key French instr... | <urn:uuid:94b88f57-172f-4919-acc8-1dec4e5e3eb8> | 2.578125 | 599 | News Article | Science & Tech. | 44.302065 | 95,476,419 |
Lichens are composed of two different species, but they function as one. They consist of a fungus and algae, living together in a symbiotic relationship where the fungus is the dominant organism. The algae are either green algae or blue-green algae, known as cyanobacteria. The algae produce carbohydrates through photos... | <urn:uuid:be2b2edf-42aa-4024-aaa3-cc709ce574a9> | 4.34375 | 559 | Knowledge Article | Science & Tech. | 46.853333 | 95,476,428 |
Radiation Processes. High Energy Astrophysics email@example.com http://www.mssl.ucl.ac.uk/. Absorption Processes. So far, considered the production of X-rays. Now, will consider X-ray absorption. Emission processes Recombination Inverse Compton e-/p+ annihilation
High Energy Astrophysics
So far, considered the producti... | <urn:uuid:73acf5d7-4a36-4cc3-a2e7-67544b4c23bb> | 2.75 | 1,108 | Academic Writing | Science & Tech. | 58.548458 | 95,476,435 |
Authors: George Rajna
Optical chips are still some way behind electronic chips, but we're already seeing the results and this research could lead to a complete revolution in computer power. Electronics could work faster if they could read and write data at terahertz frequency, rather than at a few gigahertz. A team o... | <urn:uuid:f9d2569a-7a21-403b-8406-a85679a07645> | 2.71875 | 480 | Knowledge Article | Science & Tech. | 32.328418 | 95,476,440 |
Difference between Diathermic and adiabatic substances:As,the words Diathermic and adiabatic are generally used in thermodynamics for explaining about the behavior of the system with the surroundings.Therefore,In this article, I am going to explain about the difference between Diathermic and adiabatic substances in a d... | <urn:uuid:53fb6b4b-7ce4-4349-b539-6aeb27a3af6d> | 3.125 | 289 | Truncated | Science & Tech. | 34.566678 | 95,476,454 |
It was long thought that during an embryo's first cell division, one spindle is responsible for segregating the embryo's chromosomes into two cells. EMBL scientists now show that there are actually two spindles, one for each set of parental chromosomes, meaning that the genetic information from each parent is kept apar... | <urn:uuid:8f10b7ca-e94e-4ec4-bb92-955ccc78a4ff> | 3.671875 | 948 | News Article | Science & Tech. | 39.773508 | 95,476,473 |
Surface Space-Charge Region in Non-Equilibrium
The injection of charge into a surface space-charge layer modifies its spatial distribution of charge and its potential barrier. Such injection is accomplished by external electric fields and the absorption of light, to name two examples. Depending on the polarity of a bia... | <urn:uuid:c340f30d-6efd-4a85-8b81-64dda1416ef8> | 2.71875 | 224 | Truncated | Science & Tech. | 22.94393 | 95,476,474 |
Using the Pierre Auger Observatory in Argentina, the largest cosmic-ray observatory in the world, a team of scientists from 17 countries found that the sources of the highest-energy particles are not distributed uniformly across the sky. Instead, the Auger results link the origins of these mysterious particles to the l... | <urn:uuid:0783ee45-5385-4e8c-8803-2cc5cad3fc53> | 3.984375 | 2,280 | Content Listing | Science & Tech. | 38.273857 | 95,476,477 |
Oceans provide livelihoods for hundreds of millions of poor people, who depend on eco-services that oceans provide. Marine and coastal social-ecological systems are experiencing increasing and interacting pressures from human actions in an increasingly interconnected global society.
In a seminar organised by the Swedis... | <urn:uuid:37f084bb-32aa-4957-8b54-627a139dc693> | 2.84375 | 381 | Content Listing | Science & Tech. | 11.635043 | 95,476,539 |
Placing an Omnivore in a Complex Food Web: Dietary Contributions to Adult Biomass of an Ant
- Tillberg C. V, Breed M. D
- Biotropica SCI(E) SCOPUS
- Association for Tropical Biology and Conservation in 2004
- Cited Count
Workers of Paraponera clavata, a common Neotropical ant, collect both nectar and insect prey. Previ... | <urn:uuid:1f84217a-c2df-4258-b1e3-24030660f52d> | 3.109375 | 276 | Academic Writing | Science & Tech. | 23.281732 | 95,476,556 |
Squaring the circle
Squaring the circle is a problem proposed by ancient geometers. It is the challenge of constructing a square with the same area as a given circle by using only a finite number of steps with compass and straightedge. It may be taken to ask whether specified axioms of Euclidean geometry concerning the... | <urn:uuid:41b5a24b-7c8c-4283-8ed4-a90aec575aba> | 3.890625 | 5,154 | Knowledge Article | Science & Tech. | 54.369126 | 95,476,558 |
Kőnig's theorem (graph theory)
In the mathematical area of graph theory, Kőnig's theorem, proved by Dénes Kőnig (1931), describes an equivalence between the maximum matching problem and the minimum vertex cover problem in bipartite graphs. It was discovered independently, also in 1931, by Jenő Egerváry in the more gene... | <urn:uuid:2c94ae40-3f22-4d70-b9d9-be8b6be29b21> | 3.21875 | 2,920 | Knowledge Article | Science & Tech. | 60.159119 | 95,476,559 |
In the alpine zone snow can fall and cover vegetation at any time of the year at all latitudes. Higher plants can be found in habitats of mean snow duration of anywhere between 330 and a few days (in the tropics) per year. In some cases, at higher latitudes, alpine plants may even have to (and do) survive one or two ye... | <urn:uuid:915b44bd-8c02-44f2-a5e0-1dd07ca52f1e> | 3.6875 | 204 | Truncated | Science & Tech. | 55.974245 | 95,476,562 |
When you use the assignment operator (=) to assign one array variable to another variable, you are assigning a reference to the array.
If you assign one array called arr1 to another array called arr2, any changes made to either variable will also alter the value of the other because both variables refer to the same arr... | <urn:uuid:8824c61c-b621-4bde-bb22-7a2600ab9a78> | 3.25 | 179 | Tutorial | Software Dev. | 66.249274 | 95,476,574 |
这是一个基于 Ruby on Rails 的网站，Rails is a web-application framework that includes everything needed to create database-backed web applications according to the Model-View-Controller (MVC) pattern. Understanding the MVC pattern is key to understanding Rails. MVC divides your application into three layers, each with a specific... | <urn:uuid:34309297-7a08-49b4-a026-cc29660393b4> | 3.59375 | 411 | Truncated | Software Dev. | 46.406165 | 95,476,579 |
The United States is currently experiencing an extreme heat wave! At one time 32 states were under either a heat advisory or heat warning covering about 100 million square miles and affecting about 141 million people. At least 12 deaths have been attributed to this heat wave. Furthermore, parts of the midwest and south... | <urn:uuid:58bfa4ea-927e-4954-800d-d226a0fbfbf5> | 3.5625 | 542 | Personal Blog | Science & Tech. | 37.344545 | 95,476,614 |
Bioremediation is a waste management technique that involves the use of organisms to remove or neutralize pollutants from a contaminated site. According to the EPA, bioremediation is a “treatment that uses naturally occurring organisms to break down hazardous substances into less toxic or nontoxic substances”. Technolo... | <urn:uuid:27cbaae9-0813-4f89-a48a-74d60083d465> | 3.765625 | 153 | Knowledge Article | Science & Tech. | -12.473286 | 95,476,615 |
But now, thanks to some keen detective work, the largest woodpecker that ever lived can be seen by the world once more – and this 85-second flight through time offers us a lesson about its behavior, and ours.
“It is stunning to look back through time with this film and see the magnificent imperial woodpecker moving thr... | <urn:uuid:ed8094da-1a3f-4347-a57d-1d94d5f75495> | 3.6875 | 1,295 | Content Listing | Science & Tech. | 38.750543 | 95,476,667 |
Sumaya S. Br.Nassry Mohammad 9 th Grade Girls . Question: How are human actions contributing to global warming ? HELP PREVENT PLANET EARTH FROM GLOBAL WARMING! . What is Global warming? .
Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / license... | <urn:uuid:026a6faf-90db-4e8d-9f3f-512ccf13634a> | 3.6875 | 681 | Personal Blog | Science & Tech. | 54.013613 | 95,476,682 |
+44 1803 865913
Series: Butterflies of the World Supplements Volume: 13
By: Tommaso Racheli(Author)
116 pages, 82 b/w line drawings and b/w distribution maps, 6 tables
From the introduction:
"The Papilionidae are separated into two subfamilies, the Parnassiinae and the Papilioninae. Among them, the genus Parides Hübner... | <urn:uuid:b9c1d0ae-f545-4a46-8841-cae79afc3397> | 2.53125 | 552 | Product Page | Science & Tech. | 38.273182 | 95,476,710 |
Scientists examine tectonic faulting on all scales-from seismic fault slip to the formation of mountain ranges-and discuss its connection to a wide range of global phenomena, including long-term climate change and evolution.Tectonic faults are sites of localized motion, both at the Earth's surface and within its dynami... | <urn:uuid:84c843a6-8766-4c5c-97b0-a5edc384a50b> | 3.21875 | 436 | Product Page | Science & Tech. | 33.337803 | 95,476,712 |
Associational refuges among corals mediate impacts of a crown-of-thorns starfish Acanthaster planci outbreak
- 619 Downloads
Interactions among coral populations can moderate the impact of coral predator outbreaks, enhancing community resilience and recovery. This study used predator-exclusion cages and neighbour remov... | <urn:uuid:89cd8bdd-b6c4-41e4-920b-d631d99f9df0> | 2.671875 | 554 | Academic Writing | Science & Tech. | 7.355517 | 95,476,720 |
Enhanced computing capability will make it possible to gain new insights on climate change. On Tuesday, August 23, the climate modelling computer Tornado was inaugurated by Lena Sommestad, who is Environment Minister in Sweden.
Current research reports on climatic evolution unanimously concur that global temperature an... | <urn:uuid:5d5e4a58-fbbd-4e81-b904-96fe05e8a7e5> | 3.515625 | 905 | Content Listing | Science & Tech. | 34.333714 | 95,476,827 |
Nanodiscs Catch Misfolding Proteins Red-Handed
News Dec 18, 2017 | Original Story by Ann Arbor for the University of Michigan.
When proteins misfold, accumulate and clump around insulin-producing cells in the pancreas, they kill cells. Now, researchers, including University of Michigan biophysicists, have obtained a st... | <urn:uuid:ecb6770e-5e79-4ace-b68f-153c018920a9> | 2.984375 | 981 | Truncated | Science & Tech. | 24.918636 | 95,476,830 |
Researchers from the University of Houston have found a catalyst that can quickly generate hydrogen from water using sunlight, potentially creating a clean and renewable source of energy.
Their research, published online Sunday in Nature Nanotechnology, involved the use of cobalt oxide nanoparticles to split water into... | <urn:uuid:d11bf162-21d6-42b6-82c1-ac53c504181d> | 3.0625 | 1,190 | Content Listing | Science & Tech. | 31.966332 | 95,476,839 |
We found 25 resources with the concept partial pressure
Pressure: How Does a Straw Work?
10 mins 9th - Higher Ed CCSS: Adaptable
A straw is a simple thing ... with a much more complex explanation. Discover the molecular interactions that create pressure through a video from JFR Science. The resource demonstrates pressu... | <urn:uuid:b26bda09-12e8-46d5-bb61-cedc2bb6828b> | 3.90625 | 424 | Content Listing | Science & Tech. | 61.232846 | 95,476,840 |
To understand species abundance distributions effectively, it is essential to consider the forces which create the overwhelmingly long 'tail' of rare species. Both neutral and niche theory have been invoked to explain the rarity of certain species in ecological assemblages: niche theory stresses the importance of the r... | <urn:uuid:e4d83f8a-2e8a-43e0-8cc7-8108f5d854c5> | 3.203125 | 373 | Academic Writing | Science & Tech. | 16.170086 | 95,476,841 |
The GPS dropsonde data were used to compute the depth and strength of the cold pools, that is, the depth and intensity of negative buoyancy similar to that described in Bryan et al.
The aircraft sampling strategy allowed for coherent observations of MCS structure and microphysics using the Doppler radar and microphysic... | <urn:uuid:c502b3b9-64a0-40c8-aa1f-9ec4192aa174> | 3.515625 | 325 | Knowledge Article | Science & Tech. | 19.166787 | 95,476,856 |
Launched 45 years ago in the Soviet Union space station, “Space-482” soon fall to the Ground. This was stated by the astronomer and historian of Astronautics Paul Shubin.
March 31, 1972, an attempt was made to send to Venus space station “Venera-9”, followed by “Venera-8” launched 5 days earlier.
However, the failure o... | <urn:uuid:61ca69b8-c269-4c0e-9476-abff6bd9ebfb> | 3.28125 | 289 | News Article | Science & Tech. | 55.32125 | 95,476,864 |
Matthew McCarthy, associate professor of ocean sciences at the University of California, Santa Cruz, led a team of researchers from several institutions who analyzed the dissolved organic matter in fluids from natural vents on the seafloor and from a borehole that penetrated the basement rock deep beneath the seafloor ... | <urn:uuid:61fa1d94-bfd0-4ef0-9469-97b899e457ac> | 3.703125 | 1,850 | Content Listing | Science & Tech. | 32.10853 | 95,476,883 |
'Dark matter' makes up as much as 80 per cent of our universe, according to some theories - but it emits no energy and scientists can't detect it, casting doubts upon its existence - until now.
Scientists from the University of Bonn and the University of California at Irvine, have developed sophisticated computer simul... | <urn:uuid:dd9d5041-5bcc-4c0c-9dc4-6d9b19345314> | 3.515625 | 553 | News Article | Science & Tech. | 24.028262 | 95,476,886 |
Increasingly acidic oceans leave coral reefs on brink of extinction
Coral reefs around the world could be teetering on the brink of extinction by the end of the century as the oceans become more acidic, scientists have warned.
New evidence from volcanic seeps - fissures in the ocean floor that leak gases and minerals -... | <urn:uuid:a2947263-a566-4a78-aad9-b83d3211c494> | 3.46875 | 700 | Truncated | Science & Tech. | 37.793067 | 95,476,905 |
Their five-year study is the first to quantify the relationship between selective logging, where loggers extract individual trees from the rain forest, and complete deforestation, or clear-cutting. They found that 16% of rain forests, which had been selectively logged, were completely clear-cut within one year and 32% ... | <urn:uuid:9afb9581-bdeb-4214-be8b-aa017d51a75e> | 3.5625 | 1,624 | Content Listing | Science & Tech. | 32.809212 | 95,476,912 |
The summer surface urban heat island of Bucharest (Romania) retrieved from MODIS images
- 496 Downloads
The summer surface urban heat island (SUHI) of the city of Bucharest (Romania) is investigated in terms of its shape, intensity, extension and links to land cover. The study employs land surface temperature (LST) dat... | <urn:uuid:f18a2e3b-b4ff-4a81-93d5-1881b8fa3fc5> | 2.6875 | 909 | Academic Writing | Science & Tech. | 50.935628 | 95,476,930 |
"We can watch for years and see almost nothing happen. This is bad news for people trying to understand Titan's meteorological cycle, as not only do things happen infrequently, but we tend to miss them when they DO happen, because nobody wants to waste time on big telescopes—which you need to study where the clouds are... | <urn:uuid:f2b2f90f-02e3-475b-93fb-0eff5c8d5e22> | 3.046875 | 1,449 | Content Listing | Science & Tech. | 44.906552 | 95,476,962 |
Question: How has science shaped humanity?
This is just only a somewhat provincial view. There was a period in my own discipline of infectious diseases back in the late 19th century when people were just starting to appreciate the germ theory of disease. Instead of the historical components, we had these plagues. We ha... | <urn:uuid:74c2fce7-c80d-4488-81af-cf8d482789b1> | 3.046875 | 323 | Audio Transcript | Science & Tech. | 50.333382 | 95,476,969 |
Help language development. Donate to The Perl Foundation
Algorithm::Evolutionary::Simple - A simple evolutionary algorithm
Algorithm::Evolutionary::Simple is a module for writing simple and quasi-canonical evolutionary algorithms in Perl 6. It uses binary representation, integer fitness (which is needed for the kind of... | <urn:uuid:3dee07a4-a808-401e-be77-a1326eee6127> | 2.8125 | 355 | Product Page | Software Dev. | 31.507709 | 95,476,999 |
Take 5 cubes of one colour and 2 of another colour. How many different ways can you join them if the 5 must touch the table and the 2 must not touch the table?
Arrange 9 red cubes, 9 blue cubes and 9 yellow cubes into a large 3 by 3 cube. No row or column of cubes must contain two cubes of the same colour.
Arrange your... | <urn:uuid:5daa5f9d-2af7-477a-aff6-ce96c98c1662> | 4.0625 | 1,045 | Tutorial | Science & Tech. | 68.730323 | 95,477,019 |
A fullerene is a molecule of carbon in the form of a hollow sphere, ellipsoid, tube, and many other shapes. Spherical fullerenes, also referred to as Buckminsterfullerenes or buckyballs, resemble the balls used in association football. Cylindrical fullerenes are also called carbon nanotubes (buckytubes). Fullerenes are... | <urn:uuid:ceb0fabb-bd3d-4d1c-a9db-a5aafc1e1cd6> | 3.765625 | 5,127 | Knowledge Article | Science & Tech. | 28.034459 | 95,477,039 |
Scientists used data collected by Florida Museum of Natural History herpetology curator Max Nickerson in 1969 and 1980 as a baseline, then surveyed the same stretch of river in the Ozarks in 2004 to determine the northern map turtles had not recovered from a previous 50 percent population loss caused by harvesting, lik... | <urn:uuid:a7f1664a-dfba-4c39-ade3-02421b028658> | 3.109375 | 802 | Content Listing | Science & Tech. | 41.333832 | 95,477,051 |
Visual Basic Tutorials provide hundreds of FREE lessons to help you master Visual Basic programming. The tutorials cover both the classic Visual Basic 6 and the Visual Basic.NET programming language. Our tutor, Dr.Liew, has written these lessons in a straightforward manner for ease of learning. Our website is Sponsored... | <urn:uuid:bdcd1017-0a1c-4da6-898a-9e1be7d20b3d> | 2.84375 | 565 | Product Page | Software Dev. | 47.999407 | 95,477,053 |
The Community Earth System Model (CESM) will be one of the primary climate models used for the next assessment by the Intergovernmental Panel on Climate Change (IPCC). The CESM is the latest in a series of NCAR-based global models developed over the last 30 years. The models are jointly supported by the Department of E... | <urn:uuid:685c799c-1d27-4de8-8cb2-403cf72f2ea2> | 3.828125 | 1,465 | Content Listing | Science & Tech. | 30.539523 | 95,477,072 |
Researchers Create Bio-Bots Using Skeletal Muscles [Video]
Researchers at the University of Illinois at Urbana-Champaign have created a bio-bot using muscles. The tiny robot can be controlled via external electrical pulses.
The bio-bot is made of a 3D printed hydrogel that acts as a backbone of the tiny robot and skele... | <urn:uuid:28de68e5-0f2e-4b0b-878a-aea97b348e7b> | 3.28125 | 464 | News Article | Science & Tech. | 42.520263 | 95,477,097 |
DNA synthesis is the natural or artificial creation of deoxyribonucleic acid DNA molecules The term DNA synthesis can refer to DNA replication - DNA biosynthesis in vivo DNA amplification, polymerase chain reaction - enzymatic DNA synthesis in vitro DNA amplification or gene synthesis - physically creating artificial g... | <urn:uuid:2c09ff9c-e6c2-4ae5-ad14-5c74eb82c3f9> | 3.265625 | 684 | Knowledge Article | Science & Tech. | -25.316503 | 95,477,099 |
Although carbon 14 atoms are constantly decaying, they are replaced by new carbon 14 atoms at a constant rate.As soon as an organism dies, the carbon 14 atoms stop being replaced.
Radiocarbon or C14 dating employs complex systems of measuring the unstable isotopes in once living matter.
There are three forms of carbon ... | <urn:uuid:4879f85d-eaad-4fc0-b4c5-8c43a5937e94> | 3.234375 | 149 | Knowledge Article | Science & Tech. | 65.01877 | 95,477,100 |
Credit: University of Manchester
Two-dimensional materials such as graphene may only be one or two atoms thick but they are poised to power flexible electronics, revolutionise composites and even clean our water.
However, being this thin comes at a price: the functional properties we depend on will change if the materi... | <urn:uuid:54313075-666b-45ad-9736-b4997d27da5d> | 3.640625 | 664 | Knowledge Article | Science & Tech. | 33.710474 | 95,477,117 |
Calculate total number of ATP molecules produced from one molecule of maltose. You will need to consider that first maltose will hydrolyze, then resulting glucose molecules will enter into glycolysis where ATP along with NADH molecules will be produced. Then resulting molecules of pyruvate enter into citric acid cycle ... | <urn:uuid:8e420d60-dfcc-4e92-9ab3-3812672168ad> | 2.75 | 289 | Tutorial | Science & Tech. | 42.612464 | 95,477,136 |
In the 1966 movie Fantastic Voyage, a submarine complete with crew is shrunk in size so that it can navigate through the human body, enabling the crew to perform surgery in the brain. This scenario remains in the realm of science fiction, and transporting a surgical team to a disease site will certainly remain fiction.... | <urn:uuid:64d4f773-c721-48f9-bdd3-568119c8093d> | 3.609375 | 1,770 | Content Listing | Science & Tech. | 35.336104 | 95,477,145 |
|MLA Citation:||Bloomfield, Louis A. "Question 62"|
How Everything Works 16 Jul 2018. 16 Jul 2018 <http://howeverythingworks.org/print1.php?QNum=62>.
A car starts its motion when the engine of the car exerts a torque on its wheels. These wheels begin to rotate. However, the wheels are again touching the ground and the ... | <urn:uuid:f6ecf114-0f49-4da3-bd98-4ed08e38d7c9> | 3.375 | 132 | Knowledge Article | Science & Tech. | 68.956711 | 95,477,154 |
On a rampage across the Caribbean, Hurricane Irma is aimed right at Florida and South Carolina, according to Wednesday evening's forecast, now packing 185 mph winds and promising storm surges 10 to 20 feet high along the coast.
Now the most powerful Atlantic Ocean hurricane on record, Irma is a Category 5 storm some 50... | <urn:uuid:f2aa5ed7-0ada-4176-b9a7-ee7e66663006> | 2.71875 | 1,403 | News Article | Science & Tech. | 46.291733 | 95,477,158 |
All views have an intrinsic content size, which refers to the amount of space the view needs for its content to appear in an ideal state. For example, the intrinsic content size of a
UILabel will be the size of the text it contains using whatever font you have configured it to use.
Intrinsic content sizes are important... | <urn:uuid:fa5ac394-81db-4c91-9414-b19fa39e0be7> | 2.671875 | 314 | Tutorial | Software Dev. | 52.477727 | 95,477,159 |
An intriguing study of mule deer and whitetail deer conducted by the University of Alberta in Edmonton, Canada and the University of Lethbridge, also in Canada, showed that both species responded to the recorded distress calls of fawns, similar to the responses elicited when coyotes attack fawns, with mule deer mothers... | <urn:uuid:388f837f-ac98-4066-a617-0e9d4476c158> | 3.34375 | 1,246 | Content Listing | Science & Tech. | 42.954901 | 95,477,160 |
Today, we take oxygen for granted. But the atmosphere had almost no oxygen until 2.5 billion years ago, and it was not until about 600 million years ago when the atmospheric oxygen level rose to a fraction of modern levels. For a long time, geologists and evolutionary biologists have speculated that the rise of the bre... | <urn:uuid:204449e4-a966-4d60-86ff-3df5fd7b50c6> | 4.03125 | 1,829 | Content Listing | Science & Tech. | 36.985777 | 95,477,171 |
By exposing a handful of rocks to high temperatures and pressures, the scientists have obtained critical new data about the large-scale underground storage of carbon dioxide, a potent greenhouse gas and leading cause of global warming.
"About 60 percent of the world's carbon dioxide emissions come from power plants, re... | <urn:uuid:96d4d2c7-660e-4d3c-9469-8d2c08409b0f> | 4.1875 | 1,987 | Truncated | Science & Tech. | 42.676731 | 95,477,200 |
Lecture 9: Currents, Resistivity, Ohm's Law
recorded by: Massachusetts Institute of Technology, MIT
published: Oct. 10, 2008, recorded: February 2002, views: 2922
released under terms of: Creative Commons Attribution Non-Commercial Share Alike (CC-BY-NC-SA)
Report a problem or upload filesIf you have found a problem wi... | <urn:uuid:bc8d40cd-c47c-42db-a04e-d7c0ba8985cf> | 3.671875 | 329 | Truncated | Science & Tech. | 51.234118 | 95,477,204 |
Hypothesis and Theory ARTICLE
Centrifuges for Microgravity Simulation. The Reduced Gravity Paradigm
- 1Department of Oral and Maxillofacial Surgery / Oral Pathology, Dutch Experiment Support Center, VU University Medical Center and Academic Centre for Dentistry Amsterdam, Amsterdam, Netherlands
- 2TEC-MMG LIS Lab, Euro... | <urn:uuid:0b01ac1e-c23c-40c1-a135-a8a340fd682b> | 2.71875 | 6,174 | Academic Writing | Science & Tech. | 63.130573 | 95,477,211 |
About the project
Dan Burnham, a fifth-generation cattle grazier, is happy. Ground cover on his certified organic 2,500-hectare property, near Thangool in central Queensland, is up approximately 10 per cent.
Good ground cover — earth with grass or other plants — is essential not only for grazing, but also to minimise f... | <urn:uuid:66c1d90b-ad96-4b7b-bc28-02bf5490374e> | 2.65625 | 1,836 | About (Org.) | Science & Tech. | 35.569494 | 95,477,215 |
Elephant DNA Studied
AP Science Writer
Africa may harbor three species of elephant instead of just two, suggests a study based on DNA extracted from dung.
If that is confirmed, it means that roughly 12,000 elephants living in western Africa are a distinct and endangered species, due to their small scattered populations... | <urn:uuid:59149e18-8d45-48a8-aabe-97aceaaa7938> | 3.71875 | 574 | Truncated | Science & Tech. | 37.04318 | 95,477,230 |
Pass By Reference (Call By Reference): Functions always need some information such as variables about the state of the program to do their job.
String are variables non-numeric in nature. String manipulation means writing code to process strings. Some examples of strings can be names, addresses, sentences, genders
Firs... | <urn:uuid:aefdcacc-a3f0-4e6c-867f-ec77cc69199e> | 3.765625 | 158 | Content Listing | Software Dev. | 51.234286 | 95,477,264 |
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The eruption of Mount Etna may affect air quality and visibility across parts of southern Europe into the end of the week.
On Monday night, Etna, known as Europe's most active volcano, started to spew lava and ash into the air. Ash continued to rise through the atmosphere into Tuesday.
Mount Etna is... | <urn:uuid:bab266bb-d63e-4a36-9415-1f60640dc7e4> | 2.9375 | 560 | News Article | Science & Tech. | 43.453415 | 95,477,271 |
Professor Park Je-Geun, Associate Director of the Center for Correlated Electron Systems (CCES), within the Institute for Basic Science (IBS), and colleagues have observed, quantified and created a new theoretical model of the coupling of two forms of collective atomic excitation, known as magnons and phonons in crysta... | <urn:uuid:d96cfef9-2670-4311-b49f-4df45fd40023> | 3.546875 | 1,479 | Content Listing | Science & Tech. | 34.322852 | 95,477,274 |
Set Longitude from string
Expects a '-' sign for West longitudes
any character other than a digit, decimal (period) or a - sign is
ignored completely and not used in parsing
Accepted types of co-ordinates are:
Decimal degrees: "-49.3435"
Degree decimal minutes: "49°22.456"
Degrees Minutes Seconds Decimal seconds: "49° ... | <urn:uuid:c4f9d6a1-b523-4cf4-9d5f-0257bae846c8> | 2.515625 | 281 | Documentation | Software Dev. | 60.856874 | 95,477,291 |
Wouldn’t it be wonderful if computers could figure out how to solve problems on their own, without precise instructions? Neural networks hold this promise, but scientists must use them with caution – or risk discovering that they have solved the wrong problem entirely, writes Janelle Shane
Artificial neural networks ar... | <urn:uuid:6db096a5-ebef-44d8-8e4e-19257dc621fb> | 4.0625 | 2,261 | Knowledge Article | Science & Tech. | 27.100196 | 95,477,298 |
……Over the past few decades, however, a series of studies has called these stereotypes into question. Among the surprising conclusions: the waste produced by coal plants is actually more radioactive than that generated by their nuclear counterparts. In fact, the fly ash emitted by a power plant—a by-product from burnin... | <urn:uuid:bece1b01-d4bf-4dc8-8627-75d310ce8bc2> | 3.578125 | 456 | Truncated | Science & Tech. | 45.731345 | 95,477,310 |
This week, an international group of scientists is reporting a breakthrough in the effort to characterize the properties of graphene noninvasively while acquiring information about its response to structural strain.
Using Raman spectroscopy and statistical analysis, the group succeeded in taking nanoscale measurements ... | <urn:uuid:55c78164-bb8e-4c87-b461-5d97d7b0a8a3> | 3.25 | 1,718 | Content Listing | Science & Tech. | 36.123894 | 95,477,318 |
In living organisms, which are always taking in carbon, the levels of carbon 14 likewise stay constant.But in a dead organism, no new carbon is coming in, and its carbon 14 gradually begins to decay.The only problem is that we only know the number of daughter atoms now present, and some of those may have been present p... | <urn:uuid:4c1acab2-f81f-42ce-9706-7aa6d908e961> | 4.09375 | 300 | Knowledge Article | Science & Tech. | 59.21125 | 95,477,323 |
A team of researchers led by Virginia Tech and University of California, Berkeley, scientists has discovered that a regulatory process that turns on photosynthesis in plants at daybreak likely developed on Earth in ancient microbes 2.5 billion years ago, long before oxygen became available.
The research opens new scien... | <urn:uuid:ddbbe493-2412-4dcb-89a6-0159e3c77ebe> | 3.609375 | 1,049 | News Article | Science & Tech. | 17.632073 | 95,477,346 |
After writing about telescopes in space in my last article, I was reminded of this “illustrated interview” of Howard Grubb, published in the Strand Magazine in 1896. It starts perhaps not very promisingly: “The poverty of Ireland is such that the superficial observers are apt to wonder whether any good thing can really... | <urn:uuid:0e7e9f34-f79c-44f0-91af-dcf6fdc88f07> | 3.640625 | 1,630 | Personal Blog | Science & Tech. | 34.07981 | 95,477,362 |
As 2017 comes to a close, Astrobiology Magazine is counting down the best stories from the past year. Venus is not a world that you typically associate with life. Closer to the Sun than Earth, it has experienced a runaway greenhouse effect that has vanquished its water and created a thick atmosphere of carbon dioxide l... | <urn:uuid:63577d64-66f9-4a4e-8e80-ccfdcb5b6ba6> | 4.3125 | 1,640 | Truncated | Science & Tech. | 37.512745 | 95,477,390 |
Elattoneura villiersi (Fraser, 1948)
- scientific: Prodasineura villiersi
- vernacular: White-fronted T.
Type locality: Yapo, Cote d'Ivoire
No full diagnosis of this species is presently available, but mature male unmistakable in its western African range by combination of white thoracic dorsum and pruinose S9-10.
Stre... | <urn:uuid:6cf24aeb-9a22-4c50-b85b-dad30a20ee2b> | 2.796875 | 325 | Knowledge Article | Science & Tech. | 67.622246 | 95,477,399 |
Family Aeshnidae Leach, 1815
- scientific: Gynacanthidae Cockerell, 1913
Hawkers or darners are large, big-eyed dragonflies. They are good fliers and perch hanging in vegetation. Many species are crepuscular. Worldwide over 50 genera and 450 species are known, but only about a tenth of this richness occurs in the Afrot... | <urn:uuid:a3163e32-c556-427e-944c-a4e62b5eb43a> | 3.484375 | 491 | Knowledge Article | Science & Tech. | 59.830727 | 95,477,400 |
Cosmic infrared background
|Part of a series on|
Recognizing the cosmological importance of the darkness of the night sky (Olbers' paradox) and the first speculations on an extragalactic background light dates back to the first half of the 19th century. Despite its importance, the first attempts were made only in the 1... | <urn:uuid:8b0ba885-6390-4164-90a7-5657e0788911> | 3.8125 | 3,285 | Knowledge Article | Science & Tech. | 53.81046 | 95,477,429 |
viernes, 25 de agosto de 2006
Nanotechnology passes first toxicity hurdle
01/08/2006 - Scientists in Mexico have found a way to reduce the toxicity of carbon nanotubes, paving the way for the use of the technology in food packaging.Nanotechnology has been touted as the next revolution in many industries, including food... | <urn:uuid:5a4daf39-60b4-4e9b-8dfd-e9161e8b1a37> | 2.796875 | 554 | News Article | Science & Tech. | 28.435323 | 95,477,444 |
In this appendix I will give a brief introduction to Robot Framework. Robot Framework comes with fantastic documentation. Check out the user guide1 if you seek more in-depth material. I especially found the documentation for the included libraries2 helpful while working with Robot.
To get started with Robot you need Py... | <urn:uuid:0395048a-696e-439b-a1ad-67277d59c189> | 2.71875 | 142 | Truncated | Software Dev. | 45.326782 | 95,477,457 |
A Pythagorean triple is a set of three positive integers, (a, b, c), such that a right triangle can be formed with the legs a and b and the hypotenuse c. The most common Pythagorean triples are (3, 4, 5), (5, 12, 13), (8, 15, 17) and (7, 24, 25).
A:To calculate bulk density, simply weigh the sample and divide its mass ... | <urn:uuid:9511af8f-d797-47d0-84e8-82bb4aded329> | 4.09375 | 1,137 | Content Listing | Science & Tech. | 48.624167 | 95,477,469 |
The rhythm of life may beat far deeper than anyone previously thought. And it may gyrate and pulse in a way that rivals the sensuous choreography of “Dirty Dancing.”
In his Newark laboratory, David Kaback, a professor of microbiology and molecular genetics at the UMDNJ-New Jersey Medical School, has captured the remark... | <urn:uuid:1b9bbf55-b3b2-44af-bf15-4cf30ef0484d> | 3.375 | 1,205 | Content Listing | Science & Tech. | 37.015709 | 95,477,479 |
Subduction is a geological process that takes place at convergent boundaries of tectonic plates where one plate moves under another and is forced or sinks due to gravity into the mantle. Regions where this process occurs are known as subduction zones. Rates of subduction are typically in centimeters per year, with the ... | <urn:uuid:480f131c-1858-465a-b775-dcf26908c012> | 4.53125 | 6,297 | Knowledge Article | Science & Tech. | 51.418702 | 95,477,490 |
Changes of the Membrane Surface Potential Measured by Amphiphilic Fluorescent and ESR Probes
A difference in the electric potential is usually formed at the boundary between two phases due to the transfer of ions and/or electrons from one phase to another. This occurs when ions or electrons dissociate from one phase an... | <urn:uuid:62092780-42d8-4d54-98b6-31945afacade> | 2.890625 | 282 | Academic Writing | Science & Tech. | 17.995806 | 95,477,492 |
Carl Sagan Institute
The Carl Sagan Institute: Pale Blue Dot and Beyond was founded in 2014 at Cornell University in Ithaca, New York to further the search for habitable planets and moons in and outside the Solar System. It is focused on the characterization of exoplanets and the instruments to search for signs of life... | <urn:uuid:16331886-55fe-4fd7-9b24-cc5a454e1124> | 3.3125 | 733 | Knowledge Article | Science & Tech. | 50.265126 | 95,477,523 |
Emacs In a Box
Emacs - Elisp Programming and Customization
Emacs doesn’t need any presentation. Emacs is a software “Lisp Machine” that provides a programmable text editor, email reader, text web browser, image viwer, calculator, shell, games, easter-eggs and more. Emacs is programmed in Elisp, an Emacs own lisp dialec... | <urn:uuid:07539abb-7921-4534-95f6-5a19d32af492> | 2.5625 | 1,049 | Product Page | Software Dev. | 35.89998 | 95,477,525 |
London: In a technology that can revolutionise the way marine biologists and climate scientists study the ocean, British scientists have revealed ocean acidification from space.
The new approach offers remote monitoring of large swathes of inaccessible ocean from satellites that orbit the Earth some 700 km above our he... | <urn:uuid:b1cfa6b9-9b76-42f8-929f-8558679ef557> | 3.859375 | 400 | News Article | Science & Tech. | 16.795203 | 95,477,538 |
Researchers sequenced mitochondrial and/or nuclear genomes for dozens of wild and domestic ancient goats to explore domestication and selection patterns.
By sequencing a handful of individuals who lived in Morocco some 13,900 to 15,100 years ago, investigators found clues to past population mergers in North Africa.
Seq... | <urn:uuid:5369246b-0200-4c70-9099-433d326a159c> | 2.90625 | 370 | Content Listing | Science & Tech. | 17.267967 | 95,477,578 |
When solving, simplify with the identities initially, if you can. Trigonometric identities are used to manipulate the trigonometric equations of some specific forms. In this video, the Pythagorean identities and the way they are derived are shown. In mathematics, there are numerous logarithmic identities.
Sovereign Lif... | <urn:uuid:cd40e43f-e816-4d04-b631-fc3caa4604ad> | 3.359375 | 659 | Truncated | Science & Tech. | 49.238988 | 95,477,585 |
These balance equations arise from applying Isaac Newton's second law to fluid motion, together with the assumption that the stress in the fluid is the sum of a diffusing viscous term (proportional to the gradient of velocity) and a pressure term—hence describing viscous flow. The main difference between them and the s... | <urn:uuid:e1796859-c14e-4fdb-883c-9e5ee9a8149a> | 3.953125 | 8,048 | Knowledge Article | Science & Tech. | 38.366262 | 95,477,588 |
In differential geometry, the Lie derivative //, named after Sophus Lie by Władysław Ślebodziński, evaluates the change of a tensor field (including scalar function, vector field and one-form), along the flow defined by another vector field. This change is coordinate invariant and therefore the Lie derivative is define... | <urn:uuid:262d3782-0a1a-4734-bb00-1cf913d7ef19> | 2.953125 | 4,428 | Knowledge Article | Science & Tech. | 54.417476 | 95,477,612 |
A Massive Stellar Burst, Before the Supernova
Contact: Linda Vu, firstname.lastname@example.org, +1 510 495 2402
An automated supernova hunt is shedding new light on the death sequence of massive stars—specifically, the kind that self-destruct in Type IIn supernova explosions.
Digging through the Palomar Transient Fact... | <urn:uuid:15c8cf0a-bac1-416a-81be-29242f08af14> | 3.390625 | 1,272 | News (Org.) | Science & Tech. | 30.118824 | 95,477,629 |
Biodiversity represents the variability in genes, speciation and ecological features present on Earth, which allow for the functioning of ecosystems, interactions between species and the complexity of individual species. Biodiversity is a fundamental feature which society is dependent upon. For instance, all of the eco... | <urn:uuid:832696bb-177c-4824-85a7-162e0c41d5b4> | 3.5625 | 551 | Knowledge Article | Science & Tech. | 33.826897 | 95,477,633 |
Galapagos giant tortoises, African elephants, and bowhead whales share something: very long lives. Perhaps their life spans contribute to public perception of these species as wise and noble. To that group you might add the extraordinarily long-lived yelloweye rockfish, which can reach up to 118 years in age.
Yelloweye... | <urn:uuid:5685da73-8ce1-4ec7-9281-d55689875b5a> | 3.3125 | 706 | Truncated | Science & Tech. | 43.656709 | 95,477,658 |
Greg Roberts | April 18, 2009
ICE is expanding in much of Antarctica, contrary to the widespread public belief that global warming is melting the continental ice cap.
The results of ice-core drilling and sea ice monitoring indicate there is no large-scale melting of ice over most of Antarctica, although experts are con... | <urn:uuid:0d8c2e45-b64d-46e1-bf28-ffa48629ddb6> | 3.46875 | 647 | News Article | Science & Tech. | 44.610782 | 95,477,689 |
Unformatted text preview: Term: Definition: A model of the universe in which earth
is at the center of the revolving planets
1 Term: Definition: A model of the solar system in which
the planets all revolve around the sun.
2 Term: Definition: An oval shape, which maybe elongated
or nearly circular.
3 Term: Definition: T... | <urn:uuid:2e6ed3d5-5f0b-4f69-81f4-bdc1fa82c725> | 3.65625 | 376 | Truncated | Science & Tech. | 45.30803 | 95,477,699 |