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Google and IBM Clash Over Milestone Quantum Computing Experiment
Today Google announced that it achieved “quantum supremacy.” Its chief quantum computing rival, IBM, said it hasn’t. The disagreement hinges on what the term really means.
Quantum Supremacy Is Coming: Here’s What You Should Know
Researchers are getting close to building a quantum computer that can perform tasks a classical computer can’t. Here’s what the milestone will mean.
How to Turn a Quantum Computer Into the Ultimate Randomness Generator
Pure, verifiable randomness is hard to come by. Two proposals show how to make quantum computers into randomness factories.
Computer Scientists Expand the Frontier of Verifiable Knowledge
The universe of problems that a computer can check has grown. The researchers’ secret ingredient? Quantum entanglement.
A New Approach to Multiplication Opens the Door to Better Quantum Computers
Quantum computers can’t selectively forget information. A new algorithm for multiplication shows a way around that problem.
Quantum Machine Appears to Defy Universe’s Push for Disorder
One of the first quantum simulators has produced a puzzling phenomenon: a row of atoms that repeatedly pops back into place.