* Astronomy

Today's "Word of the Day" is ferrofluid. It's what chemists call a suspension of extremely small iron-based particles in some kind of liquid. The result is a room-temperature fluid with magnetic properties.
So why are you reading about this here and not in the Chemistry Junkies Forum? Because someday soon you might be ogling amazing images of deep space taken by a telescope with a ferrofluid mirror.

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