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Physics

Laws of quantum physics may rule out a universe that came before ours

Instead of the big bang, some physicists have suggested that our universe may have come from a big bounce following another universe contracting – but quantum theory could rule this out

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Technology

Quantum-enhanced supercomputers are starting to do chemistry

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Technology

Quantum computers are surprisingly random – but that's a good thing

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Physics quantum and quantum superposition

Physics

How quantum superposition forces us to confront what is truly real

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A 3d rendered image of particles

Physics

The deep lessons quasiparticles teach us about the nature of reality

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Chair on a jetty

Physics

How metaphysics probes hidden assumptions to make sense of reality

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People view superconducting quantum computer model during the 8th Digital China Summit at the Fuzhou Strait International Conference and Exhibition Center on April 29, 2025 in Fuzhou, Fujian Province of China. The summit highlights the country's strides in digital transformation and the expansion of its digital economy. (Photo by Zhang Bin/China News Service/VCG via Getty Images) 2212665605

Physics

At last, we are discovering what quantum computers will be useful for

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Searching for the past and future of quantum physics on a tiny island

Physics

Searching for the past and future of quantum physics on a tiny island

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Astronaut Scott Kelly posted this photo of an aurora taken from the International Space Station to Twitter on August 15, 2015

Physics

The radical idea that space-time remembers could upend cosmology

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Giant atoms 'trapped' for record time at room temperature

Physics

Giant atoms 'trapped' for record time at room temperature

Putting unusually large atoms in a box with cold copper sides helped researchers control them for an unprecedented 50 minutes at room-temperature, an improvement necessary for building more powerful quantum computers and simulators

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Physics

Why John Stewart Bell has been haunting quantum mechanics for decades

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Physics

Light has been made into a fluid that simulates space-time

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Technology

IBM says it will build a practical quantum supercomputer by 2029

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Physics

Could we build space-time computers that run on gravity?

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