Quantum computing news, features and articles
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Scientists have built the smallest quantum computer in the worldThe smallest machine of its kind in the world uses a single photon as its qubit and it can perform calculations without needing the cumbersome equipment to cool it down to near absolute zero.
By Keumars Afifi-Sabet Published
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Chinese scientists claim they broke RSA encryption with a quantum computer — but there's a catchResearchers claim to have broken RSA encryption using a quantum computer, but what really happened?
By Peter Ray Allison Published
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Google's Sycamore quantum computer chip can now outperform the fastest supercomputers, new study suggestsExperiments on Google's 67-qubit Sycamore processor showed operations entering a new "weak noise phase" in which calculations were complex enough to outperform supercomputers, based on benchmark testing.
By Keumars Afifi-Sabet Published
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History of quantum computing: 12 key moments that shaped the future of computersAlthough quantum computing is a nascent field, there are plenty of key moments that defined it over the last few decades as scientists strive to create machines that can solve impossible problems.
By Edd Gent Published
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What is a quantum processing unit (QPU)?At the core of a quantum computer is the quantum processor, but these technologies are vastly different from the CPUs found in conventional computers.
By Peter Ray Allison Published
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What is a quantum bit (qubit)?Qubits are the fundamental building blocks of quantum computers — and, when fitted into these machines — rely on the weird laws of quantum mechanics to process calculations in parallel.
By Peter Ray Allison Published
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Radical quantum computing theory could lead to more powerful machines than previously imaginedScientists have just theorized how to connect quantum processors over vast distances to form a giant quantum computing network that acts as a single machine.
By Keumars Afifi-Sabet Published
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Prototype quantum processor boasts record 99.9% qubit fidelityIQM's quantum processor achieved 99.9% fidelity in recent tests, the company says. Here's what that actually means.
By Owen Hughes Published
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'Unbreakable' quantum communication closer to reality thanks to new, exceptionally bright photonsScientists build a new light source for quantum communications by combining existing technologies together to create a stronger and more robust quantum signal.
By Peter Ray Allison Published
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