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A BOMB has reduced a shopping mall to rubble, leaving rescue workers
desperate to know if anyone inside is still alive. Thanks to a remarkable
discovery at Bell Labs in New Jersey, they could one day find out simply by
calling the cellphone of someone lying unconscious inside. That’s because the
signal from your cellphone reveals two of your vital signs: your pulse and
breathing rate. Better still, you don’t even have to answer your phone.

The Bell Labs engineers, led by husband-and-wife team Victor Lubecke and Olga
Boric-Lubecke, noticed that some of the microwaves transmitted by a cellphone’s
antenna…

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