Crystal

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Home & Family: Rock Candy

Looking for a fun experiment in the kitchen for your family this weekend? Learn how to make rock candy, an exciting exploration of geometry, crystallization, and super-saturation!

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Rock candy Crystallization

Rock candy, so popularly associated with garishly colored sticks and strings, makes its first appearance in world culinography in 9th century Iran. It seems even at such an early time in human history we had already learned to grow sugar crystals. And why would we be growing sugar crystals? Keep reading!