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, in the hands of one computer science student, it can make a little magic happen on your computer.
via Gizmodo http://ift.tt/1N326H5 http://ift.tt/1InaLBp
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