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Why quantum physics says there’s a multiverse

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Why quantum physics says there’s a multiverse

Most people think the multiverse is just about "what-if" scenarios – other versions of you where you took that job in another city or turned left instead of right. But to a physicist, the multiverse isn't a storytelling device; it’s a mathematical consequence of our best theories of the universe

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Abstract system of quantum computing

Technology

We might finally know how to use quantum computers to boost AI

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Technology

Quantum computers could usher in a crisis worse than Y2K

Insight

Physics

Quantum batteries could be charged by reversing time

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Physics

Physicists resolve a long-standing puzzle over the size of a proton

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Tower of device made of copper discs connected by glowing wires and vacuum tubes. Illustration of the concept of quantum computer and computing

Technology

We urgently need to prepare for quantum computers breaking encryption

Leader

Physics

Quantum entanglement can be measured in solids for the first time

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Physics

How a century-long argument over light’s true nature came to an end

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Cracked blue bowl with equations, stars, planets and galaxies decorating its exterior. It is cracked but golden glue sticks it back together.

Physics

We're solving the fundamental mystery of how reality is glued together

Features

Technology

The first quantum computer to break encryption is now shockingly close

Traditional encryption methods have long been vulnerable to quantum computers, but two new analyses suggest a capable enough machine may be built much sooner than previously thought

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Physics

How Anthony Leggett pushed the boundaries of quantum physics

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Physics

Temperature gets a new definition using a quantum device

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Technology

You can now buy a DIY quantum computer

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Physics

Forget the multiverse. In the pluriverse, we create reality together

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