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Use your webcam and microphone to detect the distance of lightning, for SCIENCE!
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Hera is the jealous wife of Zeus. 

This processing sketch uses the webcam in your computer, plus the microphone to do the thing children are taught to do to measure the distance of lightning. 

It will watch for the bright flash, then count the number of seconds until it hears the thunder, to calculate the distance of the lightning :) 

See a video on Vimeo at:
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