Ross Exton of the Live Science Team shows us a magic trick, with a science lesson on how it really works. You can put completely transparent glass in completely transparent water, or completely transparent air, for that matter, and still see it. But some materials, like completely transparent glycerol, can change that effect in a totally weird way. -via Laughing Squid
FREE SHIPPING SALE - All T-Shirt Orders Get Free Worldwide Shipping
That's right: free shipping whether you're in the USA or anywhere else in the world!