What team has invented the high-tech beer glass that, when empty automatically orders another drink?

A glass that gives an automatic signal when nearly empty so the waiter can top it up. A novel idea developed by Japanese researchers at Mitsubishi Electric Research Laboratories in Cambridge, Massachusetts, reports the popular scientific magazine New Scientist. An interaction takes place between a microchip and a coil in the foot of the glass and a coating on the outer surface of the glass.

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