This new weapons sensor could be the next breakthrough in security

Most people won't even know they're being scanned

A new weapons sensor.

Keeping weapons out of Las Vegas casinos is a top priority for resort operators, said Robbie Gonzalez in Wired. The Westgate Las Vegas Resort & Casino is testing a "discreet weapon-sensing device" that scans guests for guns, knives, and bombs "without forcing them to walk through metal detectors." Patscan Cognitive Microwave Radar units combine short-range radar with machine-learning algorithms to scan guests, and are small enough to hide in walls, doorways, and elevator banks.

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