Macro, not micro: modified theories of gravity
Feb 16, 2007 |
4.2 / 5 after 82 votes |
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When it comes to cosmology, the macro scale is important. As scientists search for the reasons behind the increasing rate at which the universe is expanding, they modify Einstein’s theory of gravity and delve into dark energy ...
New analog circuits could impact consumer electronics
Feb 16, 2007 |
4.2 / 5 after 46 votes |
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Advances in digital electronic circuits have prompted the boost in functions and ever- smaller size of such popular consumer goods as digital cameras, MP3 players and digital televisions. But the same cannot ...
Handheld 'T-ray' Device earns new $30,000 Lemelson-Rensselaer Student Prize
Feb 16, 2007 |
4.9 / 5 after 34 votes |
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"T-rays" have been touted as the next breakthrough in sensing and imaging, but the need for bulky equipment has been an obstacle to reaching the field's potential. Enter Brian Schulkin, winner of the first-ever ...
From Farm Waste to Fuel Tanks
Feb 16, 2007 |
4.6 / 5 after 48 votes |
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Using corncob waste as a starting material, researchers have created carbon briquettes with complex nanopores capable of storing natural gas at an unprecedented density of 180 times their own volume and at ...
Where is Beagle 2? The search continues
Space & Earth science / Space Exploration
Feb 16, 2007 |
3.6 / 5 after 15 votes |
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NASA's Mars Reconnaissance Orbiter (MRO) spacecraft has used its onboard High Resolution Imaging Science Experiment camera (HiRISE) to take a colour image of a region of Mars in the vicinity of the intended ...
First X-ray detection of a colliding-wind binary beyond Milky Way
Space & Earth science / Astronomy
Feb 16, 2007 |
4.7 / 5 after 19 votes |
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Imagine two stars with winds so intense that they eject an Earth's worth of material roughly once every month. Next, imagine those two winds colliding head-on. Such titanic collisions produce multimillion-degree ...
Nobel laureate Burton Richter to speak about future of particle physics
Feb 16, 2007 |
4.5 / 5 after 13 votes |
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Particle physics is about to transform our thinking once again. Experiments of the last 15 years suggest new forms of matter, new forces of nature and perhaps even new dimensions of space and time. Pinning down the new ideas ...
U.S. Data Centers Consume 45 Billion kWh Annually, Study
Feb 16, 2007 |
4.2 / 5 after 10 votes |
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In a keynote address at the LinuxWorld OpenSolutions Summit in New York yesterday, Randy Allen, corporate vice president, Server and Workstation Division, AMD, revealed findings from a study that comprehensively ...
Study of atomic movement may influence design of pharmaceuticals
Feb 16, 2007 |
3 / 5 after 4 votes |
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Chemists at the University of Liverpool have designed a unique structure to capture the movement of atoms which may impact on future designs of pharmaceuticals.
Birth rate, competition are major players in hominid extinctions
Feb 16, 2007 |
4.4 / 5 after 12 votes |
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Modern human mothers are probably happy that they typically have one, maybe two babies at a time, but for early hominids, low birth numbers combined with competition often spelled extinction.
