Archive: 16/11/2009

Building a more versatile laser

(PhysOrg.com) -- One of the drawbacks associated with using semiconductor lasers is that many of them can only produce a beam of a single wavelength, and can only send that beam in one direction at a time. There have been ...

dateNov 16, 2009 in Optics & Photonics feature
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Measuring Electron Orbitals

(PhysOrg.com) -- For the first time, it has been possible to measure electron density in individual molecular states using what is known as the photoelectric effect. Now published in Science, this method represents a key ...

dateNov 16, 2009 in General Physics
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Google's SPDY will speed up downloads

(PhysOrg.com) -- As part of its effort to speed up the Web, Google is experimenting with SPDY, a new application layer protocol, that it hopes will speed up the conversation between browsers and Web servers and enable Web ...

dateNov 16, 2009 in Internet weblog
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Tiny bubbles clean oil from water

Small amounts of oil leave a fluorescent sheen on polluted water. Oil sheen is hard to remove, even when the water is aerated with ozone or filtered through sand. Now, a University of Utah engineer has developed an inexpensive ...

dateNov 16, 2009 in Materials Science
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