Record And Replay Sound On... Kitchen Aluminum Foil. Yes It's Possible
Did You know, that firs ever recorded sound was on aluminum foil ? The Edison made it. His invention was called phonograph ant it stores the sound on tinfoil. Quality was terrible so leter tinfoil was replaced by wax cylinders. Anyway... I decided to make a model of such device using ordinary parts - jar, needle, screw, wood.
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