Search results for string theory
Scientists identify protein that keeps stem cells poised for action
9 hours ago |
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Like a child awaiting the arrival of Christmas, embryonic stem cells exist in a state of permanent anticipation. They must balance the ability to quickly become more specialized cell types with the cellular chaos that could ...
Analysts warn that FTC suit could damage Intel
Dec 18, 2009 |
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The Federal Trade Commission's lawsuit against Intel Wednesday -- the most far-reaching in a string of recent regulatory actions -- poses a huge threat to the Santa Clara, Calif., chip giant and could reshape the semiconductor ...
Proposed Spacetime Structure Could Provide Hints for Quantum Gravity Theory
Dec 16, 2009 |
4.6 / 5 (54) |
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(PhysOrg.com) -- Spacetime, which consists of three dimensions of space and one time dimension, is such a large, abstract concept that scientists have a very difficult time understanding and defining it. Moreover, ...
Putting the squeeze on data
Technology / Computer Sciences
Dec 21, 2009 |
5 / 5 (3) |
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(PhysOrg.com) -- Data compression is one of the fundamental research areas in computer science, letting information systems do more with less. It’s the reason the iPod nano can hold thousands of songs instead ...
Science's breakthrough of the year: Uncovering 'Ardi'
Dec 17, 2009 |
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The research that brought to light the fossils of Ardipithecus ramidus, a hominid species that lived 4.4 million years ago in what is now Ethiopia, has topped Science's list of this year's most significant s ...
Fine-tuned: A wholly new approach to tuning a laser's frequency
Dec 04, 2009 |
4.5 / 5 (10) |
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(PhysOrg.com) -- For more than 30 years, scientists have been trying to harness the power of terahertz radiation. Tucked between microwaves and infrared rays on the electromagnetic spectrum, terahertz rays ...
In the Brain, Seven Is A Magic Number
Nov 23, 2009 |
4.4 / 5 (54) |
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Having a tough time recalling a phone number someone spoke a few minutes ago or forgetting items from a mental grocery list is not a sign of mental decline; in fact, it's natural.
Lost water of the Napa Valley vineyards
Space & Earth / Earth Sciences
Dec 16, 2009 |
4.3 / 5 (3) |
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Getting the most out of every drop of water is a high priority for grape growers in the southern Napa Valley, where summers are hot and dry and vines have to be irrigated to make it through the growing season. But Stanford ...
Microscopic gyroscopes, the key for motion sensing
Dec 09, 2009 |
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(PhysOrg.com) -- Tiny devices made possible by combining the latest advances in mechanical and electronics technology could be at the heart of next-generation personal navigation and vehicle stabilisation ...
Hubble's Festive View of a Grand Star-Forming Region (w/ Video)
Dec 15, 2009 |
4.5 / 5 (4) |
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(PhysOrg.com) -- Just in time for the holidays: a Hubble Space Telescope picture postcard of hundreds of brilliant blue stars wreathed by warm, glowing clouds. The festive portrait is the most detailed view of the largest ...
Magnetic monopoles detected in a real magnet for the first time
Sep 03, 2009 |
4.6 / 5 (48) |
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Researchers from the Helmholtz Centre Berlin, in cooperation with colleagues from Dresden, St. Andrews, La Plata and Oxford, have for the first time observed magnetic monopoles and how they emerge in a real ...
Could Exotic Matter Provide an Infinite Source of Energy?
Sep 15, 2009 |
3.4 / 5 (35) |
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(PhysOrg.com) -- Generally, scientists prefer to avoid the concept of perpetual motion. The idea of a machine that could produce movement that goes on forever, and using that movement to generate an endless ...
Snowflake chemistry could give clues about ozone depletion
Chemistry / Analytical Chemistry
Dec 07, 2009 |
5 / 5 (1) |
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There is more to the snowflake than its ability to delight schoolchildren and snarl traffic.
Physicists Propose Scheme for Teleporting Light Beams
Jul 14, 2009 |
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(PhysOrg.com) -- Usually when physicists talk about quantum teleportation, they're referring to the transfer of quantum states from one particle to another without a physical link. Now, physicists have investigated ...
Rotating Space Elevator Propels its Own Load
May 21, 2009 |
4.6 / 5 (46) |
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(PhysOrg.com) -- The idea of the space elevator just got a little crazier. While the “traditional” concept involved using rocket propulsion or laser light pressure to propel loads up a cable anchored to Earth, ...
