In today's video I want to show you how to grow large crystals from 3 different chemicals: potassium ferrocyanide, copper sulfate, and potassium alum. All you need is to follow the instructions from ...

When we talk about crystals around here, we’re generally talking about the quartz variety used to make oscillators more stable, or perhaps ruby crystals used to make a laser. We hardly ever talk about ...

Here’s an exercise for you: type “crystals” into your favorite search engine and see what you get. If you’re anything like us, you’ll get a bunch of pseudoscientific posts about the healing power of ...