Boeing Starliner Speakers Make A 'Kind Of Pulsing Noise, Almost Like A Sonar Ping' — Strange Sound Reported By NASA Astronaut Baffles Houston
On Saturday, NASA astronaut Butch Wilmore reported hearing strange sonar-like sounds from a speaker inside ... similar to a ...
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Sonar Built From Piezo And Microphone
[Jason] has continued to plug along with his sonar build ... After each ping is sent out, the microphone input is immediately captured to detect the return of the audible sound.