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The epic quest to redefine the second using the world's best clocks

Technology

The epic quest to redefine the second using the world's best clocks

A more precise definition of the second is crucial to all sorts of physical measurements – but to get there, scientists have to pack up their extraordinarily fragile optical clocks and take them on tour

Features

Physics

How nothing could destroy the universe

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Space

Quantum eavesdropping could work even from inside a black hole

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Technology

Quantum computers are on track to solve knotty mathematical problems

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Physics

We may have found the edge of quantum theory – what’s beyond it?

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Technology

Microsoft’s quantum computer hit with criticism at key physics meeting

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Technology

Quantum satellite sets globe-spanning distance record

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Physics

Gravity may arise from quantumness of space

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Technology

The first operating system for quantum networks has been built

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Technology

Doubts cast over D-Wave's claim of quantum computer supremacy

D-Wave's claim that its quantum computers can solve problems that would take hundreds of years on classical machines have been undermined by two separate research groups showing that even an ordinary laptop can perform similar calculations

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Physics

The physicist on a mission to spark a quantum industrial revolution

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Technology

Microsoft under fire for claiming it has a new quantum computer

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Physics

Quantum disorder is dependent on who is looking for it

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Physics

Light has been transformed into a 'supersolid' for the first time

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