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 the "audience favorite" prize for KrystalBoard, a liquid crystal-based writing board. His early prototype takes a few cues from Boogie Board's line of scratch pads. Functionally, they're almost identical: use a stylus to scratch your message into the panel then, when you're done, simply press a button to erase it. What DePorzio believes sets his creat
