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Why mathematicians want to destroy infinity – and may succeed

Mathematics

Why mathematicians want to destroy infinity – and may succeed

Mathematicians who call themselves ultrafinitists think that extremely large numbers are holding back science, from logic to cosmology, and they have a radical plan to do something about it

Features

We’ve discovered a new kind of magnetism. What can we do with it?

Physics

We’ve discovered a new kind of magnetism. What can we do with it?

Features

Technology

Quantum-enhanced supercomputers are starting to do chemistry

News

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

Features

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

Features

Giant atoms 'trapped' for record time at room temperature

Physics

Giant atoms 'trapped' for record time at room temperature

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Technology

IBM says it will build a practical quantum supercomputer by 2029

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Technology

Quantum computers are on the edge of revealing new particle physics

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Technology

Best quantum 'transistor' yet could lead to more accurate computers

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Technology

Qubit breakthrough could make it easier to build quantum computers

Quantum computers that correct their own errors usually require hundreds of thousands of qubits. Start-up Nord Quantique claims it can dramatically decrease that number – but many challenges remain

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Technology

Breaking encryption with a quantum computer just got 20 times easier

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Technology

Ultracold atoms have been 'hyperentangled' for the first time

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Technology

Are entangled qubits following a quantum Moore's law?

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Technology

Quantum computers don’t always need more qubits – just add chaos

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