Archive: 7/07/2010

Tunable quantum cascade laser

(PhysOrg.com) -- One of the issues associated with lasers is their tunability. In many cases, if you want to produce a particular wavelength, you have to build a laser to accomplish this. In order to get another wavelength, ...

dateJul 07, 2010 in Quantum Physics feature
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How birds prepare for war

(PhysOrg.com) -- Just as human soldiers show greater solidarity when entering combat zones, new research from the University of Bristol has demonstrated that birds also increase their affiliative behaviour in situations where ...

dateJul 07, 2010 in Plants & Animals
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Lone whales shout to overcome noise (w/ Video)

Just like people in a bar or other noisy location, North American right whales increase the volume of their calls as environmental noise increases; and just like humans, at a certain point, it may become too costly to continue ...

dateJul 07, 2010 in Plants & Animals
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