Researchers from St. Olaf College and Syracuse University have built mechanical computers made entirely of common materials that can perform simple calculations without electricity or batteries. Led by St. Olaf College physics professor Joey Paulsen, the team used steel springs and bars to create devices that store and process information by physically responding to motion […]
By this logic the logic gates I built with 12v and a switch is a computer. A lock is a computer. My showerhead is a computer.