Closeup of a silicon surface pockmarked with holes, designed to slow light passing through it.
This “slow light” waveguide, designed by a team led by Yuri A. Vlasov of IBM’s Thomas J. Watson
Research Center, a crucial component of an optical computer.
New Scientist has a quick round-up of what they consider to be the ten weirdest types of computers. The list includes everything from quantum computers, to slime molds, to pails of water.