How Time-Traveling Could Affect Quantum Computing November 20, 2008 | User rating: 3.8 / 5 after 84 vote(s)
| User comments: 24
(PhysOrg.com) -- If space-time were constructed in such a way that you could travel back in time, it would create some pretty strange effects. One of these oddities, as many people know, is the “grandfather paradox.” Here, ... | |
 Astronauts try to work out kinks in urine machine 4 hours ago | User rating: not shown ( 1 vote(s) ) | User comments: 3
(AP) -- Astronauts hope they have a solution for getting a pivotal piece of equipment working so it can convert urine and sweat into drinkable water and allow the international space station to grow to six ... | |
 e=mc2: 103 years later, Einstein's proven right November 20, 2008 | User rating: 4.3 / 5 after 94 vote(s)
| User comments: 29
It's taken more than a century, but Einstein's celebrated formula e=mc2 has finally been corroborated, thanks to a heroic computational effort by French, German and Hungarian physicists. | |
 Global warming predictions are overestimated, suggests study on black carbon November 18, 2008 | User rating: 4.1 / 5 after 46 vote(s)
| User comments: 32
(PhysOrg.com) -- A detailed analysis of black carbon -- the residue of burned organic matter -- in computer climate models suggests that those models may be overestimating global warming predictions. | |
 Professor Finally Publishes Controversial Brain Theory November 19, 2008 | User rating: 4.3 / 5 after 99 vote(s)
| User comments: 19
(PhysOrg.com) -- In the late '90s, Asim Roy, a professor of information systems at Arizona State University, began to write a paper on a new brain theory. Now, 10 years later and after several rejections and ... | |
 Pirates thwarted with MP3 sonic blast November 21, 2008 | User rating: 4.6 / 5 after 28 vote(s)
| User comments: 22
Gone are the swashbuckling days of repelling pirates with cutlasses -- a British firm is spearheading use of a high-tech "sonic laser" to beat bandits on the high seas. | |
Study suggests attending religious services sharply cuts risk of death November 20, 2008 | User rating: 3.2 / 5 after 39 vote(s)
| User comments: 18
A study published by researchers at Yeshiva University and its medical school, Albert Einstein College of Medicine, strongly suggests that regular attendance at religious services reduces the risk of death by approximately ... | |
 Sea level rise alters bay's salinity November 20, 2008 | User rating: 3.4 / 5 after 15 vote(s)
| User comments: 16
While global-warming-induced coastal flooding moves populations inland, the changes in sea level will affect the salinity of estuaries, which influences aquatic life, fishing and recreation. | |
Japan scientists eye made-to-order bones 4 hours ago | User rating: 5 / 5 after 6 vote(s)
| User comments: 2
Japanese hospitals are running a clinical trial on the world's first custom-made bones which would fit neatly into patients' skulls and eventually give way to real bones. | |
Scientists are high on idea that marijuana reduces memory impairment November 19, 2008 | User rating: 4.8 / 5 after 46 vote(s)
| User comments: 12
The more research they do, the more evidence Ohio State University scientists find that specific elements of marijuana can be good for the aging brain by reducing inflammation there and possibly even stimulating the formation ... | |
 Astronaut outside space station loses tool bag November 18, 2008 | User rating: 3.4 / 5 after 11 vote(s)
| User comments: 12
(AP) -- A spacewalking astronaut whose grease gun erupted in a backpack-sized tool bag accidentally let go of the tote outside the international space station Tuesday, and it floated off along with everything ... | |
Computer mouse may go extinct November 19, 2008 | User rating: 2.3 / 5 after 11 vote(s)
| User comments: 12
The computer mouse may someday become an endangered species. Instead of rolling a mouse around to move a cursor around on the screen, more and more users will gesture with their fingers on touch screens and multi-touch trackpads, ... | |
Only on PhysOrg.com
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