Whisper Aero is working with NASA to bring its ultra-quiet tech to outer space | TechCrunch
Briefly

"Noise exposure levels in the crewed portions of the International Space Station were around 73 decibels (dB) on average. Our goal is to achieve 61 dB at 2 feet while being 75% more efficient."
"Unless you're using significantly different technology, you're going to end up with the same kind of noise challenges and efficiency challenges in space as you would on Earth."
Read at TechCrunch
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