Teaching a computer to perceive the world without human input

Humans can see an object—a chair, for example—and understand what they are seeing, even when something about it changes, such as its position. A computer, on the other hand, can't do that. It can learn to recognize a ...

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, ...

A low-cost, finger-nail sized radar

European researchers have squeezed radar technology into a low-cost fingernail-sized chip package that promises to lead to a new range of distance and motion sensing applications. The novel device could have important uses ...

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