The future will increasingly depend on “quantum 2.0” technology, which taps into phenomena like superposition and entanglement to permit everything from quantum computing and cryptography to quantum sensing, timing and imaging. In this special issue of Physics World, Philip Ball talks to researchers, business analysts and insiders at firms ranging from IBM to IonQ, while Michael Allen examines the commercial potential of quantum gravity sensors. Careers editor Laura Hiscott is on hand to look at the job opportunities in the area, while James McKenzie hot foots it back from a quantum tech showcase that took place in London last month.
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