A quantum computer is a (real or theoretical) computer that exploits superposed and entangled states, and the intrinsically non-deterministic outcomes of quantum measurements, as …

What is quantum computing? Quantum computing is an emergent field of computer science and engineering that harnesses the unique qualities of quantum mechanics to solve problems …

Mar 18, 2025 · Someone using a quantum computer must first entangle qubits to harness their exponential computing power. The operator then carries out operations on the qubits, such as …

Jan 29, 2019 · A quantum computer harnesses some of the almost-mystical phenomena of quantum mechanics to deliver huge leaps forward in processing power.

Topics covered include: physics of information processing, quantum logic, quantum algorithms including Shor's factoring algorithm and Grover's search algorithm, quantum error correction, …

While there are only a few dozen quantum algorithms known, quantum algorithms continue to be discovered, with many more algorithms likely to be identified as larger processors are built, …

Apr 25, 2025 · Quantum computing is an emerging area of computer science focused on building computers based on the principles of quantum theory to dramatically increase computation …

Sep 29, 2025 · Learn how quantum computing works, how it compares to classical computing, and how it uses the principles of quantum mechanics.

Caltech experts explain the science behind quantum computing in simple terms and outline what quantum computers could be used for.

Mar 31, 2025 · Quantum computing is a new approach to calculation that uses principles of fundamental physics to solve extremely complex problems very quickly.