Probing Question: Where are all the cool robots?

(PhysOrg.com) -- For the better part of a century, they’ve promised us robots. From Elektro, the 7-foot metal man of the 1939 World’s Fair, to Rosie the robot maid on "The Jetsons" to the android lieutenant commander ...

Homeland Security to hire up to 1K cyber experts

(AP) -- The Obama administration has given a green light to the Homeland Security Department to be more competitive and choosey as it hires up to 1,000 new cyber experts over the next three years, the first major personnel ...

All That Glitters Is Now Gold

(PhysOrg.com) -- In full sunlight at mid-day, gold objects are brilliant and richly colored. Put those same objects in a dark interior room with only fluorescent lamps, however, and they will look pale and slightly greenish ...

Laser Fusion and Exawatt Lasers

(PhysOrg.com) -- In the recent past, producing lasers with terawatt (a trillion watts) beams was impressive. Now petawatt (a thousand trillion watts, or 10^15 watts) lasers are the forefront of laser research. Some labs are ...

Seeking Life's Shadow

They haven't yet figured out how to draw blood from stones, but a group of French researchers is offering new insight that could change how scientists search for signs of life in Martian rocks.

Re-examining Darwin’s thoughts on species

James Mallet is out to rehabilitate Charles Darwin’s reputation on species. It may seem strange that such a founding father of modern biological thought as Darwin could run afoul of something so basic, but biologists over ...

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