Quantum Supremacy

Available for over a year

IBM is giving users worldwide the chance to use a quantum computer; Google is promising "quantum supremacy" by the end of the year; Microsoft's Station Q is working on the hardware and operating system for a machine that will outpace any conventional computer. Roland Pease meets some of the experts, and explores the technology behind the next information revolution. Picture: Bright future for Quantum Computing, credit: Jonathan Home @ETH