How your packet of crisps can spy on you

New video technology can listen in on conversations through soundproof glass

Crisps
(Image credit: Twitter)

Everyday objects such as crisp packets and pot plants could soon be used for spying purposes, thanks to a new technology that monitors microscopic movements in the world around us.

A team at the Massachusetts Institute of Technology (MIT) has found a way to recover audio by scrutinising video of the tiny movements made by (almost) inanimate objects such as crisp packets when they are hit by sound waves.

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