10/05/2009

New nanocrystals show potential for cheap lasers, new lighting

For more than a decade, scientists have been frustrated in their attempts to create continuously emitting light sources from individual molecules because of an optical quirk called "blinking," but now scientists at the University ...

Asking a machine to spot threats human eyes miss

The surveillance cameras at Big Y, a Massachusetts grocery chain, are not just passively recording customers and staff. They're studying checkout lines for signs of "sweethearting."

Google prime target for regulators

Google's unabashed success as an Internet search and advertising juggernaut has placed it in the crosshairs of regulators worried the firm will trample free market competition.

Fight to save the 'Amazon of the oceans'

With its pleasure boats dipping on the horizon and clustered tourist restaurants, the Indonesian island of Nusa Lembongan looks little like the edge of a great wilderness.

Hubble: a time machine that revolutionized astronomy

The Hubble space telescope, the object of NASA's fifth and last servicing mission next week, is a veritable time machine that has revolutionized humankind's vision and comprehension of the universe.

Rescue shuttle at launch pad for Hubble trip

(AP) -- In what's expected to be the last time ever, both of NASA's shuttle launch pads are occupied. Atlantis is on one, primed for a flight this coming week to the Hubble Space Telescope. Endeavour sits on the other a ...

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