If you have an excess of soda cans lying around—or just looking for a cool project to work on—this mini foundry can melt metal and doesn't cost very much to build. Melting things is fun, and this ...
This tiny robot can melt, escape from a prison by sliding through secure bars, and then reform into a solid and complete tasks. The metal microbot, made out of liquid metal microparticles that can be ...
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