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Here is the non-scientific, fantasy explanation of what’s going on in this video: Scientists have discovered a way to breed a ball bearing with Silly Putty.

Here is the scientific answer: Researchers from RMIT University call these little marvels “liquid metal marbles,” and they’re drops of liquid metal with a nanoparticle coating. They’re both heat- and impact-resistant (see above), and researchers say their conductive cores could be used for flexible electronics in the future.

That is, if the researchers, unlike me, can stop watching this video.

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