The Latest Leap.

Demons in the freezer.

1. At long last, physicists from Harvard and MIT have found the killer application for quantum computing: a Mario Bros. GIF made from qubits. The qubits (quantum bits) can also be arranged in a Space Invaders design, or Tetris, or any other shape—your geometrical wish is the qubits’ command. The GIFs are from QuEra Computing, a Boston startup emerging f…