How Do They Do It?
Season 16 Episode 19

How Do They Do It?

Science ChannelTV-PGDocumentary • Educational • Science
Hearing Aids, TrainsSeason 16 Episode 19
An investigation into a sensitive hearing aid developed by Swiss engineers; comfortable commuting; the art of shadow puppetry.
Cast
Chris Broyles, Jeff Wilburn, Iain Lee, Michael Pongracz, Mike Goral, Naz Osmanoglu
Rating
TV-PG
Genres
Documentary, Educational, Science
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