The glove works using five flex sensors on the fingers. These detect how the user bends their fingers as they sign, reporting the data to a serial monitor. An accelerometer keeps track of how the user orientates their hand as they sign.
Italy-based World’s Advanced Saving Project (WASP) is trying to bring mud back as a popular building material - with a modern twist. They're sturdy, naturally insulated, surprisingly durable, and sustainable. And most of all, they’re extremely cheap.
A 13-year-old California high school freshman invented a groundbreaking low-cost Braille printer-embosser, this small portable machine looks a lot like any other printer - only it spits out strings of raised bumps instead of flat text on a page.