A Powerful Chemistry Tool Inspired by Music Boxes Only Costs $5

A Powerful Chemistry Tool Inspired by Music Boxes Only Costs $5

Stanford University’s Manu Prakash, Ph.D., loves coming up with cheap, rugged scientific equipment, like his 50-cent microscope made of folded cardboard . Now he’s followed that up with another ingenious chemistry tool: A $5 device that uses the guts from a music box to control chemical reactions with super precision.

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