![[Challenge-Solved] glass egg thing](https://lemmy.world/pictrs/image/54d923bf-4a32-46aa-8ece-9ac9bf5e614e.webp){kind=link}
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I wonder if it’s a kind of stir-bar, put it in a container and oscillate a magnetic field outside to move the contents around.
I wonder if it’s a kind of stir-bar, put it in a container and oscillate a magnetic field outside to move the contents around.