Ricocheting radio waves monitor the tiniest movements in a room

Relief may be on the horizon for anyone who has ever jumped around a room like a jack-in-the-box to get motion-sensing lights to turn back on, thanks to a new motion sensor based on metamaterials that is sensitive enough ...

Crunching "sustainable" cookies

The bakery industry is a large supplier of jobs and revenue, but on the other side of the coin, it is hungry for energy.

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