TV Program: NASA Science Files: The Case of the Deafening Sound

When a friend approaches them to help solve a noisy aircraft problem, the tree house detectives find that NASA is an expert in the sound business. Join the detectives as they learn how sound travels, how human beings hear and what NASA is doing to quiet the skies.

CC - Closed Caption
HD - High Definition
16:9 - Anamorphic Widescreen
LTR - Letterbox
DVI - Descriptive Video Information for the visually impaired

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