Boston Dynamics and Cheetah, the running robot

Boston Dynamics has produced a bio-inspired running prototype, called Cheetah, which I am sure will be running outdoors soon.
Funded by DARPA's Maximum Mobility and Manipulation program, it might be the fastest running 4-legged robot to date running at 18 miles per hour. (Homework: convert it into km/hr :P)

You probably remember their alpha dog:

which could stand up in couple of seconds, and their field robot called big dog, and little dog.

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Detecting life by reflected, polarized light

Is There Life on Earth?: "...the light reflected by a planet is polarized, while the light from the host star is not. So polarimetric techniques help us to pick out the faint reflected light of an exoplanet from the dazzling starlight."

More:
ESO website: http://www.eso.org/public/news/eso1210/
Research paper: Nature paper

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