The acoustic startle response is an unconditional reflex manifested as a rapid contraction of facial and skeletal muscles in response to a sudden and intense startling stimulus. Translational research ...
NASA's Aero-Acoustic Propulsion Lab is basically a graveyard for sound. Every surface inside is covered with 17,000 spiky wedges that absorb sound and prevent echoes. Nicknamed "The Dome", AAPL ...
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