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Science comes up with a lot of awesome stuff, and you don't need a Ph.D, a secret lab, or government funding to get your hands on some of the coolest discoveries. We've got a list of 11 mostly affordable gifts that are guaranteed to blow your mind, whether or not you're a science geek. Click on any image to see it enlarged. 1. Aerogel Also known as frozen smoke, Aerogel is the world's lowest density solid, clocking in at 96% air.
In Sketch Swap , you draw something on the screen, and when you're finished, you hit "Submit drawing"... to receive a random drawing from someone else. Sketch Swap was inspired by Markus Renschler's FileSwap. We appreciate you sketching sketches!