Most quantum computers being developed around the world will only work at fractions of a degree above absolute zero. That requires multi-million-dollar refrigeration and as soon as you plug them into conventional electronic circuits they’ll instantly overheat. But now a team led by Andrew Dzurak at the University of New South Wales (UNSW) has shown they can operate silicon qubits at temperatures 15 times hotter than most qubits, creating a path from experimental models to affordable computers for real world business and government applications.
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