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Japan switched on its first full-stack neutral-atom quantum computer. Shunkai starts with 50 qubits, plans 500, and targets 10,000 by 2031.

Breuckmann, Golowich and Vazirani prove quantum circuits can survive an adversary corrupting an almost-linear number of qudits at every time step.

Amazon’s new Ocelot chip uses clever design to cut errors, aiming for practical quantum computers with fewer resources.

IBM aims to build a fault-tolerant quantum computer by 2029, capable of solving complex problems faster and more efficiently than traditional computers.