(PhysOrg.com) -- For all of their high-tech advantages, laparoscopic surgical systems are only capable of providing a two-dimensional visualization -- or in other words, no depth perception.
Hi Tech & Innovation
Jan 31, 2011
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A borrowed boat, a small mountain lake and the inaugural run of a half-a-million dollar state-of-the-art multi-beam sonar system made history this month with the successful high-definition mapping of the bottom of Fallen ...
Earth Sciences
Jul 30, 2010
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Teens have been known to play video games until they're glassy-eyed.
Other
Jun 9, 2010
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(PhysOrg.com) -- How high is the sky? Scientists have a pretty good handle on that one, what with their knowledge of the troposphere, stratosphere an the other "o-spheres." Now, thanks to new work headed by the Woods Hole ...
Earth Sciences
May 18, 2010
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Landscape trees are increasingly being produced using container nursery systems rather than traditional field production practices. In contrast to field production techniques, successful container production requires a series ...
Other
Apr 21, 2010
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(PhysOrg.com) -- Building a new ski run by bulldozing a mountainside rather than only cutting its shrubs and trees is far more damaging ecologically, yet might offer only a week's earlier start to the downhill season, says ...
Environment
Dec 21, 2009
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Hammerhead sharks are some of the Ocean's most distinctive residents. 'Everyone wants to understand why they have this strange head shape,' says Michelle McComb from Florida Atlantic University. One possible reason is the ...
Plants & Animals
Nov 27, 2009
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(PhysOrg.com) -- For photographers, it's sometimes difficult to keep both the foreground and background of an image in focus. Focusing somewhere between the two can ensure that neither is blurry; but neither will be particularly ...
Computer Sciences
Sep 30, 2009
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(PhysOrg.com) -- The Abyss is a dark, deep place, but it's no longer hidden. At least when Nereus is on the scene. Nereus is a new type of deep-sea robotic vehicle, called a hybrid remotely operated vehicle (HROV).
Earth Sciences
Jun 3, 2009
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Physicists at the U.S. Department of Energy's Ames Laboratory have experimentally demonstrated that the superconductivity mechanism in the recently-discovered iron-arsenide superconductors is unique compared to all other ...
General Physics
Apr 29, 2009
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