Thursday, 12 April 2018

Wiggling atoms switch the electric polarization of crystals

A time-resolved x-ray experiment now elucidates that tiny atomic vibrations shift negative charges over a 1000 times larger distance between atoms and switch the macroscopic polarization on a time scale of a millionth of a millionth of a second.

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A miniature swimming robot inspired by marine flatworms

Engineers have developed a versatile swimming robot that nimbly navigates cluttered water surfaces. Inspired by marine flatworms, the innova...