[일반] 스냅샷은 몰라도 심박센서는 ㄹㅇ있음

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https://www.dhs.gov/detecting-heartbeats-rubble-dhs-and-nasa-team-save-victims-disasters

https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.hindawi.com/journals/jhe/2018/4832605/&ved=2ahUKEwjV99qNjIrmAhXEyosBHXAxBxcQFjAKegQIBhAB&usg=AOvVaw3WJy-aPVGzQ70jo5FomXv7&cshid=1574847680196

https://www.wired.com/2010/10/handheld-radar-senses-life-behind-the-wall/?intcid=inline_amp

양키랜드특) 이게왜ㄹㅇ있노 시발런들아

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