In June, an IBM computing executive claimed quantum computers were entering the “utility” phase, in which high-tech experimental devices become useful. In September, Australia’s Chief Scientist Cathy Foley went so far as to declare “the dawn of the quantum era”.
This week, Australian physicist Michelle Simmons won the nation’s top science award for her work on developing silicon-based quantum computers.
Obviously, quantum computers are having a moment. But – to step back a little – what exactly are they?
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