Engadget KrystalBoard wants to replace blackboards and whiteboards with liquid crystals If you ask most people, they’d tell you there’s nothing wrong with the standard classroom set-up of a blackboard and chalk, or a whiteboard and dry-erase markers. Nicholas DePorzio isn’t most people, though. At Northeastern University’s Husky Startup Challenge Demo Day, he took home first prize for KrystalBoard, a liquid crystal-based writing board. His early prototype takes […]