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quantum gravity

Physics

AI can work out how quantum computers stack up to one another

Comparing the properties of qubits in different quantum computers is challenging, but AI can tell them apart even when the state of the qubits is 98 per cent similar

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A distant supernova defies our understanding of the cosmos’s expansion

Space

A distant supernova defies our understanding of the cosmos’s expansion

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Physics

Superconducting qubits have passed a key quantum test

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2J1JM3H Patterns in a pond. Cropped shot of a finger touching water to form ripples.

Physics

Why virtual particles don’t exist but do explain reality – for now

Features

CE8NB6 Illustration showing galaxy giant whirlpool in space galaxy's effect on space image shows how gravity galaxy warps local

Physics

To create a wormhole that doesn't collapse, you need exotic matter

Features

Quantum particles, quantum computer, galaxy-like ; Shutterstock ID 2194720327; purchase_order: -; job: -; client: -; other: -

Physics

How we could discover quantum gravity without rebuilding space-time

Features

Physics

Weird particle that remembers its past discovered by quantum computer

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Technology

Cryptographers bet cash on when quantum computers will beat encryption

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Physics

Quantum computers could simulate a black hole in the next decade

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Physics

Exotic cosmic objects in string theory may look like leaky black holes

Physicists have simulated strange objects from string theory to determine what they look like – if they exist, they could be mistaken for a black hole when imaged from very far away

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Physics

Why we must inspire people with the magic of condensed matter physics

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Physics

How can we prove the world is really quantum mechanical?

Comment

Physics

2D crystal of ultracold charged atoms is biggest ever created

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Physics

Strange quantum effect observed in unusually large object

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