This Webpage Uses Centuries-Old Physics To Let Anyone Scroll Hands-Free

By Chris Mills

The Doppler effect is a well-documented phenomenon in physics which causes a change in the frequency of a wave as the source moves closer to the observer. It’s the science behind satellites and speed cameras alike. And,…

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Source:: http://feeds.gawker.com/~r/gizmodo/full/~3/1bbblkOSbx8/this-webpage-uses-centuries-old-physics-to-let-anyone-s-1693242974

      

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