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Einstein’s black holes are not the black holes we see in reality

Space

Einstein’s black holes are not the black holes we see in reality

We’re only just grasping how cosmic black holes and Einstein’s theories relate – and that deepens our sense of wonder, says Chanda Prescod-Weinstein

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Cartoon of an x-ray

Physics

Quantum X-ray machine takes razor sharp pictures with less radiation

News

Artist's impression of two quantum particles

Physics

Quantum teleportation used to send 3D information for the first time

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quantum artwork

Physics

Quantum weirdness isn't real – we've just got space and time all wrong

Features

A classic quantum theorem may prove there are many parallel universes

Physics

A classic quantum theorem may prove there are many parallel universes

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Peter van Nieuwenhuizen

Physics

Physicists who came up with supergravity win $3m Breakthrough Prize

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Jim Al-Khalili

Physics

Physicist Jim Al-Khalili on Leeds United, Einstein and quantum biology

Regulars

To understand reality, we first need to find our place in it

Physics

To understand reality, we first need to find our place in it

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Is reality real? How evolution blinds us to the truth about the world

Physics

Is reality real? How evolution blinds us to the truth about the world

Features

particle accelerator artwork

Physics

The age of giant particle accelerators like the LHC may be over

Enormous particle colliders probe the nature of reality, but much smaller laser-powered plasma accelerators could soon render them obsolete

Features

Physics

Welcome to the 5th dimension: Our universe's radical new fate

Features

Earth

Earth's helium is running out and it has dire consequences for science

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Definition

Special relativity

Definition

Dark energy