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| Mathematics & Physics articles |
Finding superconductors that can take the heat
By studying how superconductors interact with magnetic fields, Pitt researchers advance quest for higher-temperature superconducting materials.
Einstein's relativity theory proven with the 'lead' of a pencil
Scientists at The University of Manchester have discovered a new way to test Einstein's theory of relativity using the 'lead' of a pencil.
Magnetic fields revealed in technicolour
Vibrations of magnetization have for the first time been captured on camera by scientists at The University of Manchester revealing a rainbow of colours.
Famous 40-year-old math problem solved
For some, spending more than three years working to solve a more than 40-year-old math problem sounds like a nightmare. For University of Missouri-Columbia mathematics professor Steve Hofmann, solving a problem posed by one of the most famous mathematicians in the second half of the 20th Century has been a dream since his college days.
Electrons 'tunnel' through water molecules between nestled proteins
Duke University theoretical chemists who spend much of their time calculating how the exotic rules of quantum mechanics govern electrons motion between and through biological molecules have garnered surprising results when they add water to their models.
Nanotech discovery could have radical implications
It has been 20 years since the futurist Eric Drexler daringly predicted a new world where miniaturized robots would build things one molecule at a time. The world of nanotechnology that Drexler envisioned is beginning to come to pass, with scientists conjuring new applications daily.
Purdue 'metamaterial' could lead to better optics, communications
Engineers at Purdue University are the first researchers to create a material that has a "negative index of refraction" in the wavelength of light used for telecommunications, a step that could lead to better communications and imaging technologies.
Physicists demonstrate storage and retrieval of single photons between remote memories
A series of publications in the journal Nature highlights the race among competing research groups toward the long-anticipated goal of quantum networking. In one of three papers published the journal's December 8 issue, a group of physicists from the Georgia Institute of Technology led by Professors Alex Kuzmich and Brian Kennedy describes the storage and retrieval of single photons transmitted between remote quantum memories composed of rubidium atoms.
'Armored' bubbles can exist in stable non-spherical shapes
Researchers at Harvard University have demonstrated that gas bubbles can exist in stable non-spherical shapes without the application of external force.
Fluid particles irreversible in some circumstances
When a viscous fluid, such as a jar of honey, is stirred and then unstirred, the contents return to their starting points. However, according to research by a team of physicists headed by New York University's David Pine, the particles of such fluids do not always return to their original locations. The findings are reported in the latest issue of the journal Nature.
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Einstein was right (again)
Albert Einstein was correct in his prediction that E=mc2, according to scientists at the Commerce Department's National Institute of Standards and Technology (NIST) and the Massachusetts Institute of Technology (MIT) who conducted the most precise direct test ever of what is perhaps the most famous formula in science.
Ultracold test produces long-sought quantum mix
In the bizarre and rule-bound world of quantum physics, every tiny spec of matter has something called "spin" - an intrinsic trait like eye color - that cannot be changed and which dictates, very specifically, what other bits of matter the spec can share quantum space with. When fermions, the most antisocial type of quantum particle, do get together, they pair up in a wondrous dance that enables such things as superconductivity.
Scientists unlock the mystery of liquid crystal alignment
The alignment of liquid crystals in devices such as lap-top computers and palm pilots makes the displays on these devices readable. For more than 30 years, scientists have worked to understand the exact mechanism responsible for liquid crystal alignment, to no avail – until now.
Unified physics theory explains animal's running, flying and swiming
A single unifying physics theory can essentially describe how animals of every ilk, from flying insects to fish, get around, researchers at Duke University's Pratt School of Engineering and Pennsylvania State University have found. The team reports that all animals bear the same stamp of physics in their design.
A theoretical breakthrough inspired by experiment
Need to understand the details of how a molecule is put together? Want to see the effects of the intricate dance that its electrons do to make a chemical bond? Try blowing a molecule to bits and calculating what happens to all the pieces.
Mathematician's insight helps unravel knotty problem
The latest insight from Rice University assistant professor Shelly Harvey is the kind of idea that comes along rarely for a theorist in any discipline: It's an idea that is both simple and capable of explaining much.
Researchers discover methods to find 'needles in haystack' in data
A Case Western Reserve University research team from physics and statistics has recently created innovative statistical techniques that improve the chances of detecting a signal in large data sets. The new techniques can not only search for the "needle in the haystack" in particle physics, but also have applications in discovering a new galaxy, monitoring transactions for fraud and security risk, identifying the carrier of a virulent disease among millions of people or detecting cancerous tissues in a mammogram.
Physicists describe strange new fluid-like state of matter
University of Chicago physicists have created a novel state of matter using nothing more than a container of loosely packed sand and a falling marble. They have found that the impacting marble produces a jet of sand grains that briefly behaves like a special type of dense fluid.
Physicists put the squeeze on atoms
Like bakers measuring the exact same amount of flour every time they made bread, physicists at The University of Texas at Austin have used a laser trap to consistently capture and measure the same small number of atoms.
Tiny crystals promise big benefits for solar technologies
Los Alamos National Laboratory scientists have discovered that a phenomenon called carrier multiplication, in which semiconductor nanocrystals respond to photons by producing multiple electrons, is applicable to a broader array of materials that previously thought. The discovery increases the potential for the use of nanocrystals as solar cell materials to produce higher electrical outputs than current solar cells.
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| Quotes | Good Night, Good night! Parting is such sweet sorrow, that I shall say good night till it be morrow.-William Shakespeare
Giving is the highest expression of our power. - Vivian Greene
Go down to the machine room and tell them to empty the bit bucket,and FAST, before this baby overflows. -- Adrian Colley
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