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Finally, a Problem That Only Quantum Computers Will Ever Be Able to Solve
Computer scientists have been searching for years for a type of problem that a quantum computer can solve but that any possible future classical computer cannot. Now they’ve found one.
The Argument Against Quantum Computers
The mathematician Gil Kalai believes that quantum computers can't possibly work, even in principle.
Quantum Algorithms Struggle Against Old Foe: Clever Computers
The quest for "quantum supremacy" – unambiguous proof that a quantum computer does something faster than an ordinary computer – has paradoxically led to a boom in quasi-quantum classical algorithms.
Job One for Quantum Computers: Boost Artificial Intelligence
The fusion of quantum computing and machine learning has become a booming research area. Can it possibly live up to its high expectations?
The Era of Quantum Computing Is Here. Outlook: Cloudy
Quantum computers should soon be able to beat classical computers at certain basic tasks. But before they’re truly powerful, researchers have to overcome a number of fundamental roadblocks.
Physicists Aim to Classify All Possible Phases of Matter
A complete classification could lead to a wealth of new materials and technologies. But some exotic phases continue to resist understanding.
Why Quantum Computers Might Not Break Cryptography
A new paper claims that a common digital security system could be tweaked to withstand attacks even from a powerful quantum computer.
Inside the Knotty World of ‘Anyon’ Particles
A new class of quantum particle is about to emerge from the tangled considerations of quantum statistics.
A Tricky Path to Quantum-Safe Encryption
In the drive to safeguard data from future quantum computers, cryptographers have stumbled upon a thin red line between security and efficiency.