Growing crystals is not long or complicated. In fact, it's easy, fun and educational. In this example, we've dissolved Potassium Alum in water and within hours we'll be able to see sparkling crystals grow right before our own eyes.Discover the laws of nature which creates crystals deep inside the E...By: ScienceKitStore
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from Instructables: exploring - technology - robots http://ift.tt/1vtQTrT
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