Quantum Physics
To live up to the hype, quantum computers must repair their error problems
Before quantum computers can reach their potential, scientists will need to master quantum error correction.
Quantum Physics
More Stories in Quantum Physics
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PhysicsA newfound superconducting current travels only along a material’s edge
In a first, scientists spot electricity flowing without resistance on the rim of a topological superconductor.
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Quantum PhysicsNew quantum computers can operate at higher temperatures
Silicon chips operate at higher temperatures than many others, raising hopes for building quantum integrated circuits.
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Quantum PhysicsQuantum mechanics means some black hole orbits are impossible to predict
Computer simulations reveal that foreseeing the paths of three orbiting objects sometimes requires precision better than the quantum limit.
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Quantum PhysicsScientists entangled quantum memories linked over long distances
The entanglement of quantum ‘hard drives’ is a crucial step toward creating a quantum internet.
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PhysicsScientists cooled a nanoparticle to the quantum limit
Physicists decreased a nanoparticle’s motion to the lowest level allowed by quantum mechanics.
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PhysicsA quantum strategy could verify the solutions to unsolvable problems — in theory
A quantum technique for verifying solutions to difficult problems could apply to an “unbelievably huge” class of puzzles.
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Quantum PhysicsGoogle claimed quantum supremacy in 2019 — and sparked controversy
Google’s quantum computer outperformed the most powerful supercomputer on a task, the company reported. But some scientists aren’t fully convinced.
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Quantum PhysicsQuantum jitter lets heat travel across a vacuum
In a first, scientists observed tiny, vibrating membranes exchanging heat due to quantum fluctuations.
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Quantum PhysicsA new, theoretical type of time crystal could run without outside help
The idea tiptoes closer to the original concept of time crystals, first proposed in 2012.