Hurricanes form in warm tropical waters, drawing strength from the heat of the ocean surface — that’s why they are expected to worsen as sea surface temperatures increase. But if we could cool them off, they may chill out and decrease in strength.
With little more than a laser, a webcam and a MakerBot, you can make a 3D plastic replica of your face -- or anything else you might want to copy, just in case.
A research engineer at NASA’s Ames Research Laboratory has built a cheap 3D scanner that might go on sale this fall through the MakerBot store. You can sign up for updates on builder Andy Barry's Web site.
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.