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quantum computing

Technology

Analogue computers could train AI 1000 times faster and cut energy use

Computers built with analogue circuits promise huge speed and efficiency gains over ordinary computers, but normally at the cost of accuracy. Now, an analogue computer designed to carry out calculations that are key to AI training could fix that

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Physics

Quantum-inspired algorithm could help reveal hidden cosmic objects

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No space, no time, no particles: A radical vision of quantum reality

Physics

No space, no time, no particles: A radical vision of quantum reality

Features

Physics

Could gravity produce quantum entanglement if it’s not fully quantum?

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Technology

Google says its quantum computer can reveal the structure of molecules

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Physics

Ultracold atoms could test relativity in the quantum realm

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Technology

‘Nightmare’ calculation may be too tricky for even quantum computers

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Technology

What makes a quantum computer good?

Comment

Technology

Memory chips just 10 atoms thick could vastly increase capacity

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Physics

Nobel prize for physics goes to trio behind quantum computing chips

The 2025 Nobel prize in physics has gone to John Clarke, Michel Devoret and John Martinis, whose work has led to the development of today's quantum computers

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Mind

Kids as young as 4 innately use sorting algorithms to solve problems

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Physics

Ultracold clocks could reveal how quantum physics alters time

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Technology

Device with 6100 qubits is a step towards largest quantum computer yet

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Physics

Unforgeable quantum money can be stored in an ultracold ‘debit card’

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