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Seeing through walls has long been a staple of comics and science fiction. Something like it could soon be a reality. Paul Gilligan/Photodisc via Getty Images

Fast computers, 5G networks and radar that passes through walls are bringing ‘X‑ray vision’ closer to reality

The murky blobs visible with today’s wall-penetrating radar could soon give way to detailed images of people and things on the other side of a wall – and even measure people’s breathing and heart rate.

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