1935
Einstein, Podolsky, and Rosen publish the EPR paradox paper, laying groundwork for quantum entanglement.
Quantum Computing Timeline
1964
John Bell proposes Bell's theorem, providing a way to test quantum entanglement experimentally.
1980
Paul Benioff describes the first quantum mechanical model of a computer.
1981
Richard Feynman proposes the idea of quantum computers for simulating quantum systems.
1985
David Deutsch describes the first universal quantum computer.
1994
Peter Shor develops a quantum algorithm for factoring integers, threatening classical cryptography.
1995
The first quantum logic gate is demonstrated in a single atom by NIST.
1996
Lov Grover invents the quantum database search algorithm.
1998
The first working 2-qubit quantum computer is demonstrated at UC Berkeley.
2000
First working 5-qubit NMR computer demonstrated at Technical University of Munich.
2007
D-Wave Systems demonstrates the first commercially available quantum annealer.
2011
D-Wave One, a 128-qubit quantum annealer, is made available for commercial use.
2016
IBM makes a 5-qubit quantum computer available to the public via cloud.
2017
Google announces its 72-qubit Bristlecone quantum processor.
2019
Google claims to have achieved quantum supremacy with its 53-qubit Sycamore processor.
2020
Honeywell claims to have built the world's most powerful quantum computer.
2021
Chinese scientists claim quantum computational advantage with 76 photon detection.
2022
IBM unveils its 433-qubit Osprey quantum processor, aiming for 4,000+ qubits by 2025.