In the 1960s mainframe computers took up whole rooms, but now one computer can fit on the edge of a nickel.
David Blaauw, computer science and engineering professor at the University of Michigan, and his team were able to achieve the small size by taking the computer’s battery into consideration. By reducing the amount of power that it needed to work, they were able to minimize the battery and overall size of the computer. The M^3 computer volume is about one millimeter cubed. Watch the video below.