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Google CEO Sundar Pichai on achieving quantum supremacy
By Gideon Lichfield
Google claims 'quantum supremacy' for computer
By Paul Rincon
IBM: Google's 'Quantum Supremacy' Claim Is Wrong - 150 Million Percent Wrong (Seriously)
By John Koetsier
Google Publishes Landmark Quantum Supremacy Claim
By Elizabeth Gibney
IBM and Google disagree on quantum computing achievement
By Jordan Novet
It's official: Google has achieved quantum supremacy
By Daniel Cossins