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Quantum computers just beat classical ones — Exponentially and unconditionally
Conducted on IBM quantum processors, study demonstrates “a promise of quantum computing previously articulated only on paper.”
Summary:A research team has achieved the holy grail of quantum computing: an exponential speedup that’s unconditional. By using clever error correction and IBM’s powerful 127-qubit processors, they tackled a variation of Simon’s problem, showing quantum machines are now breaking free from classical limitations, for real.
Quantum computers have the potential to speed up computation, help design new medicines, break codes, and discover exotic new materials -- but that's only when they are truly functional.
One key thing that gets in the way: noise or the errors that are produced during computations on a quantum machine -- which in fact makes them less powerful than classical computers - until recently.
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