Liquid Metal Gallium Alloy Galinstan - Looks like Mercury!

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Here is a video showing some properties of Galinstan, a Gallium/Indium/Tin alloy that is liquid at room temperature. This stuff is pretty much non-toxic, but is also expensive. A eutectic alloy of this freezes at around -19ºC. Unlike mercury, this stuff sticks to everything which can be good or bad depending on your application.

This video celebrates my account reaching 2000 subscribers!