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Quantum computing

The Future of Quantum Computing Is Modular

Quantum-computing companies have been competing for years to squeeze the most qubits onto a chip. But fabrication and connectivity challenges mean there are limits to this strategy. The focus is now shifting to linking multiple quantum processors together to build computers large enough to tackle real-world problems.In January, the Canadian…
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Flawed Diamonds Are a Quantum Sensor’s Best Friend

Quantum sensors take the biggest roadblock for quantum computers—unwanted interference, or noise—and turn it into a strength. Noise wrecks quantum computers because the quantum states they use for computation are affected by the slightest disturbances from the environment. But quantum sensors use those disturbances to detect minuscule changes in magnetic…
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Scientists Make First Mechanical Qubit

Quantum computers that can theoretically find answers to problems no regular computer could ever solve rely on components known as qubits. Now scientists have created the first mechanical qubit—basically, a microscopic version of a drum skin that can behave a bit like Schrödinger’s cat, both vibrating and not vibrating at…
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