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quantum gravity

An aerial photo taken over the Arc de Triomphe in Paris, France at sunset with a wide view above the monument, with streets coming out like spokes from the monument at the center.

Technology

Quantum city simulation shows how to make Paris-sized quantum internet

A simulated version of Paris where universities and telecommunication hubs are connected by a quantum communication network suggests that existing technology is already nearing the ability to create functional "quantum cities"

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People working at Oxford Quantum Circuits

Technology

UK's quantum computing sector is flourishing after early investment

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An IBM quantum computer

Physics

IBM quantum computer runs largest quantum program yet

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Boy listening to tin can on a string

Technology

Quantum computers in use today are vulnerable to eavesdropping hackers

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Roger Penrose in Oxford 2022

Physics

Roger Penrose: "Consciousness must be beyond computable physics"

Features

Roger Penrose in Oxford 2022

Physics

Roger Penrose: "Consciousness must be beyond computable physics"

Features

Coloured arrows

Physics

Quantum trick sees light move forwards and back in time simultaneously

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2B77TB8 3D rendering of abstract digital waves and bright square particles in space. Futuristic background made of dots, particles and mesh

Physics

A miniature universe shows particles may emerge out of empty space

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IBM's Osprey quantum computer

Technology

IBM unveils world's largest quantum computer at 433 qubits

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This image shows the Hyades star cluster, the nearest cluster to us. The Hyades cluster is very well studied due to its location, but previous searches for planets have produced only one. A new study led by Jay Farihi of the University of Cambridge, UK, has now found the atmospheres of two burnt-out stars in this cluster ??? known as white dwarfs ??? to be ???polluted??? by rocky debris circling the star. Seeing evidence of asteroids points to the possibility of Earth-sized planets in the same system, as asteroids are the building blocks of major planets. Planet-forming processes are inefficient, and spawn many times more small bodies than large bodies ??? but once rocky embryos the size of asteroids are built, planets are sure to follow.

Space

Crooked star clusters may be a sign that Einstein’s gravity is wrong

Astronomers have found an unexpected asymmetry in stars escaping from their clusters, and it can't be easily explained by our standard theories of gravity

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Physics

First 3D quantum accelerometer could let ships navigate without GPS

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Physics

Quantum watch is a 'completely new way of measuring time'

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Video

Carlo Rovelli interview: "Reality is not things, but connections"

Video

Physics

Quantum engine is powered just by measuring its quantum state

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