 Counterintuitive physics may help everyone drive home quicker October 02, 2008 | User rating: 4.5 / 5 after 70 vote(s)
| User comments: 19
If you're trying to drive to a destination as quickly as possible, you might think that knowing the traffic conditions would help you choose the quickest route for yourself. Traffic reports and new GPS technologies ... | |
 In radiation 'ventriloquism,' electromagnetic waves travel backwards September 23, 2008 | User rating: 4.4 / 5 after 78 vote(s)
| User comments: 12
(PhysOrg.com) -- Typically, electromagnetic waves travel away from their sources. For instance, a radar system emits radio waves that travel all the way to a target, such as a car or plane, before being reflected ... | |
 Nanopencil Can Provide Terabit Data Storage Density September 22, 2008 | User rating: 4.5 / 5 after 53 vote(s)
| User comments: 7
(PhysOrg.com) -- Scientists have fabricated a 'nanopencil' with a tip so small that it can be used as a scanning probe in ultrahigh-density computer data storage systems. | |
 A broadband single-photon source September 19, 2008 | User rating: 4.7 / 5 after 36 vote(s)
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As science makes progress toward practical quantum computing, improved quantum cryptography and scalable quantum communications systems, single photon sources will become more important. Until now, though, ... | |
 'Calm before storm' may foreshadow climatic tipping point September 17, 2008 | User rating: 3.6 / 5 after 132 vote(s)
| User comments: 62
(PhysOrg.com) -- Abrupt climate change has occurred on earth many times over the past millions of years. Climate scientists hypothesize that these sharp transitions may be caused when the earth system reaches ... | |
 Physicists hope to tie light beams in knots September 12, 2008 | User rating: 4.6 / 5 after 131 vote(s)
| User comments: 33
Usually, light beams shine in a straight line, with the possible exception of light being bent by gravity. But scientists are now investigating how to make light beams into looped and knotted configurations. ... | |
 Physicists estimate how fast Usain Bolt could have run September 11, 2008 | User rating: 4.1 / 5 after 65 vote(s)
| User comments: 11
(PhysOrg.com) -- By the record books, Jamaican runner Usain Bolt is the fastest human being on earth, and yet no one knows for sure exactly how fast he really is. At the Beijing 2008 Olympics, on Saturday, ... | |
Using 'slow light' to modulate single photon wavepackets September 11, 2008 | User rating: 4.4 / 5 after 25 vote(s)
| User comments: 1
(PhysOrg.com) -- Single photons have been studied for a long time, Steve Harris tells PhysOrg.com. “But this is the first time that their wavepackets have been modulated.” Just as electrons may be described as either particles ... | |
Maxwell's demons may drive some biological systems September 10, 2008 | User rating: 4.6 / 5 after 40 vote(s)
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(PhysOrg.com) -- According to the second law of thermodynamics, entropy always increases. For example, two bodies of different temperatures, when brought into contact, will eventually mix together to result in a uniform temperature. ... | |
Tribal war drove human evolution of aggression September 09, 2008 | User rating: 3.7 / 5 after 64 vote(s)
| User comments: 51
Wars are costly in terms of lives and resources – so why have we fought them throughout human history? In modern times, states may fight wars for a number of complex reasons. But in the past, most tribal wars were fought ... | |
Could Graphene Replace Semiconductors? September 08, 2008 | User rating: 4.6 / 5 after 37 vote(s)
| User comments: 3
(PhysOrg.com) -- “People want a faster computer chip,” Philip Kim tells PhysOrg.com. “And it needs to be smaller. But in order to increase the speed of the chip, or to get it smaller, we are approaching a point where ... | |
Physicists investigate how time moves forward September 05, 2008 | User rating: 4.2 / 5 after 149 vote(s)
| User comments: 55
As humans, we have a very intuitive concept of time, and of the differences between the past, present, and future. But, as scientists Edward Feng of the University of California, Berkeley, and Gavin Crooks of the Lawrence ... | |
Butterfly wings may help scientists better understand photonic crystals September 04, 2008 | User rating: 4.4 / 5 after 17 vote(s)
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As technology moves forward, many scientists are looking to nature to find inspiration for the development of advanced materials that can have a variety of practical applications. | |
Orienting Flow in Carbon Nanotubes September 02, 2008 | User rating: 4.8 / 5 after 26 vote(s)
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(PhysOrg.com) -- Carbon nanotubes provide some of the most interesting possibilities for future technology. One of the more intriguing possibilities – with a variety of practical applications – is using carbon nanotubes for ... | |
 Physicists Rule Out the Production of Dangerous Black Holes at the LHC September 01, 2008 | User rating: 4.4 / 5 after 90 vote(s)
| User comments: 27
(PhysOrg.com) -- On August 8, the world's largest particle accelerator, the Large Hadron Collider near Geneva, Switzerland, began the process of slowly throttling to full power. When its proton beams are circling ... | |
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