Quantum Computing
Quantum computers use superposition and entanglement to solve certain problem classes exponentially faster than classical computers. Despite rapid advances, error-corrected universal quantum computers have not yet been achieved.
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Many qubit architectures are based on semiconductor technology.
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Quantum computers work by the strange rules of quantum physics: they use superposition (a bit can be 0 and 1 at the same time) and entanglement (two parts affect each other instantly). This lets them solve certain problems exponentially faster than regular computers. But we're not there yet—building error-free, universal quantum computers is still the big challenge.
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Last Updated
2026-02-17