Simone Giertz, maven of monstrous robots, delivers a TED talk on why you should make useless things.
“It’s now possible to 3-D print extremely viscous materials, with the consistency of clay or cookie dough with fine precision, thanks to work done at Purdue University. This development may soon allow the creation of customized ceramics, solid rockets, pharmaceuticals, biomedical implants, foodstuffs, and more. ” After you watch the video, read the article here.
How can common table salt blow up a fish tank? Watch as the Backyard Scientist uses molten salt and water to explosive effect! Please note: Do not try this at home! (And if you do, wear gloves and safety glasses.)
Check it out as Physics Girl helps you figure out how to turn sand into a liquid–using air!