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How A Smartphone Knows Up From Down

Ever wonder how your smartphone knows when you've tilted or swung it around? The secret is in some microscoping silicone etching.

May 24, 2012

Bill takes apart a smartphone and explains how its accelerometer works. He also shares the essential idea underlying the MEMS production of these devices. This video is based on a chapter from the EngineerGuy team's latest book, Eight Amazing Engineering Stories. Learn more at http://www.engineerguy.com/elements.

[video:http://www.youtube.com/watch?v=KZVgKu6v808 width:640 height:390]

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