Uma arma que sabe quem está puxando o gatilho

Bloomberg Originals

Este vídeo foi tendência na Singapura

For decades, inventors have tried and failed to make a smart gun. @BiofireUSA now appears to have pulled it off. It uses both fingerprint scans and facial recognition so that only a registered user can fire it.

Ashlee Vance tests it out on Hello World. Watch the full episode here: https://youtu.be/u1rivUSi8p8

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