News tagged with theoretical calculation
The new world of gamma-ray optics
Scientists discover that certain materials like silicon or gold exhibit a surprisingly large refractive index for extremely high energetic gamma-rays.
May 14, 2012 |
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Hunting the unseen
A better knowledge about the composition of sub-atomic particles such as protons and neutrons has sparked conjecture about, as yet, unseen particles. A tool based on theoretical calculations that could aid ...
Jul 15, 2011 |
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Multiferroics could lead to low-power devices
(PhysOrg.com) -- Magnetic materials in which the north and south poles can be reversed with an electric field may be ideal candidates for low-power electronic devices, such as those used for ultra-high data storage. But finding ...
May 17, 2011 |
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Japan quake may have shortened Earth days, moved axis
(PhysOrg.com) -- The March 11, magnitude 9.0 earthquake in Japan may have shortened the length of each Earth day and shifted its axis. But don't worry-you won't notice the difference.
Space & Earth / Earth Sciences
Mar 15, 2011 |
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Taking the mystery out of photosynthesis
(PhysOrg.com) -- An enigmatic protein system that uses sunlight and water to create fuel became a little less mysterious, thanks to scientists at Pacific Northwest National Laboratory, University of Michigan, ...
Feb 10, 2011 |
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Milestone: A methane-metal marriage
(PhysOrg.com) -- University of Arizona scientists have inserted metal atoms into methane gas molecules and obtained a detailed structure of the resulting molecule. The discovery could be a key step in making ...
Dec 20, 2010 |
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Canadian leads publishing of first results from Large Hadron Collider
Researchers used Einstein's famous E=mc2 equation and the Large Hadron Collider to recreate a miniature version of the event at the origins of our Universe, and the first findings from their work were published in the journal ...
Oct 12, 2010 |
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Researchers examine why some aurora displays flicker in the night sky
Look up into the night sky in Alaska, Northern Canada, or Russia just before dawn, and you may able to make out a faint whitish glow of the northern lights. Watch for a few minutes, and the lights will blink ...
Space & Earth / Space Exploration
Oct 04, 2010 |
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Lead-free piezoelectric materials of the future
Piezoelectric materials have fantastic properties: squeeze them and they generate an electrical field. And vice-versa, they contract or expand when jolted with an electrical pulse. With a name derived from the Greek word ...
Sep 14, 2010 |
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Fundamental forces in protein structure revisited
(PhysOrg.com) -- Research scientists from Bristol have joined forces with colleagues from America to unravel one of the fundamental problems of molecular biology, paving the way for better engineering of biological ...
Jul 12, 2010 |
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Researchers Shed Light on Birth of the First Stars
(PhysOrg.com) -- In the beginning, there were hydrogen and helium. Created in the first three minutes after the Big Bang, these elements gave rise to all other elements in the universe. The factories that ...
Jul 01, 2010 |
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Particle collision thought to replicate Big Bang forces, may help explain how things exist
By the logic of science, things simply shouldn't exist. The best scientific minds of several generations have reasoned that shortly after the Big Bang created the universe, matter and antimatter should have wiped each other ...
Jun 02, 2010 |
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How shape-memory materials remember
X-ray studies and fundamental calculations are helping physicists gain molecular level insight into the workings of some magnetic shape-memory materials, which change shape under the influence magnetic fields.
Apr 26, 2010 |
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Researcher unravels one of geology's great mysteries
Danish researcher has solved one of the great mysteries of our geological past: Why the Earth's surface was not one big lump of ice four billion years ago when sun radiation was much weaker than today. Scientists have presumed ...
Space & Earth / Earth Sciences
Mar 31, 2010 |
4 / 5 (23) |
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Rice physicists find reappearing quantum trios
Using atoms at temperatures colder than deep space, Rice University physicists have delivered overwhelming proof for a once-scoffed-at theory that's become a hotbed for research some 40 years after it first ...
Dec 11, 2009 |
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