A significant scientific breakthrough that represents the dawn of computing’s second era? Or a head-turning piece of research with little practical application?
Researchers at Google say they have built the first quantum computer that can perform a calculation far beyond the reach of even the most powerful machine built along traditional, or “classical”, lines — a long-awaited feat known as “quantum supremacy”.
The company’s researchers call it a “milestone” that “heralds the advent of a much-anticipated computing paradigm”. By harnessing the quantum effects exhibited by subatomic particles, such systems have the potential — at least in theory — to leap far ahead of today’s supercomputers.
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