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quantum theory

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Physics

How we could discover quantum gravity without rebuilding space-time

In the search for a theory that unites general relativity and quantum physics, many have tried to rethink space-time. But what if space-time emerges naturally, like a hologram?

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

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

Physics

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

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How can we prove the world is really quantum mechanical?

Physics

How can we prove the world is really quantum mechanical?

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Calcium ions are released through the triangular funnel and caught by electric potentials on top of the metallic chip

Physics

2D crystal of ultracold charged atoms is biggest ever created

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Quantum entanglement. Conceptual artwork of a pair of entangled quantum particles or events (left and right) interacting at a distance. Quantum entanglement is one of the consequences of quantum theory. Two particles will appear to be linked across space and time, with changes to one of the particles (such as an observation or measurement) affecting the other one. This instantaneous effect appears to be independent of both space and time, meaning that, in the quantum realm, effect may precede cause.

Physics

Strange quantum effect observed in unusually large object

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The sapphire crystal resonator used by ETH researchers to probe the validity of quantum mechanics in objects consisting of trillions of atoms.?(Image: ETH Zurich)

Physics

A macroscopic amount of matter has been put in a quantum superposition

Researchers have put a sapphire crystal containing quadrillions of atoms into a superposition of quantum states, bringing quantum effects into the macroscopic world

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Technology

An unhackable quantum internet is being built in New York City

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Physics

Come explore the quantum realm – it isn’t as confusing as it seems

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Physics

The quantum world: A concise guide to the particles that make reality

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Space

We may finally know how Hawking's black hole paradox could be solved

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