The Telegraph published this video item, entitled “Scientists create ‘shape-shifting’ metal robot which melts through bars” – below is their description.
Engineers have designed miniature robots that rapidly and reversibly shift between liquid and solid states.
Scientists from Carnegie Mellon University in Pittsburgh took gallium, a metal that melts at room temperature, and enriched it with magnetic particles.
When an alternate magnetic field is run through the metal, it can melt, move and re-form.
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