Hear a Heartbeat in Space With This Stethoscope, Johns Hopkins University Study

Published: May 22, 2013

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A new electronic stethoscope designed for NASA could deliver accurate heart and body sounds to medics assessing astronaut health in a noisy spacecraft. Space itself is silent; the lack of air prevents sound transmission. But inside the average spacecraft, with its whirring fans, humming computers, and buzzing instruments, it’s about as raucous as a party filled with laughing, talking people.

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