Surfing on acoustic waves (w/ Video)

(Phys.org) —ETH researchers are able to make objects such as particles and liquid droplets fly in mid-air by letting them ride on acoustic waves. For the first time, they have been able to also control the movement of objects, ...

See-through-wall surveillance with WiFi shown at UCL

(Phys.org) -- A surveillance device that uses WiFi radio waves has been devised to see through walls to detect, in military and surveillance parlance, moving personnel targets. The device serves as a radar prototype designed ...

Faster computer graphics

Photographs of moving objects are almost always a little blurry — or a lot blurry, if the objects are moving rapidly enough. To make their work look as much like conventional film as possible, game and movie animators ...

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