Overlooked Innovations: Musical Comb
March 10, 2011 · Posted in innovation
Run your finger across the teeth of this comb and it plays a song. This is same concept as a music box. It’s hundreds of years old but never applied this way. It could have been made thousands of years ago.
http://asia.cnet.com/crave/comb-shaped-business-card-plays-the-rolling-stones-62110910.htm
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