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Fibre optic cables

Technology

City-wide quantum data network in China is the largest ever built

A quantum network linking 40 computers in Hefei, China, is the largest demonstration to date of how a future quantum internet might work

News

The world is running out of microchips – here’s the solution

Technology

The world is running out of microchips – here’s the solution

Features

Group of ancient Chinese coins.

Technology

What ancient money tells us about the future of computers

Comment

Why it might be impossible to build a practical quantum computer

Physics

Why it might be impossible to build a practical quantum computer

Features

Q1: Photograph of the silicon quantum circuit being connected to a circuit board in preparation for measurement. (credit: Serwan Asaad)

Technology

Using microwave beams could let quantum computers be small but mighty

News

Google researchers made a time crystal inside a quantum computer

Physics

Google researchers made a time crystal inside a quantum computer

News

Flexible computer processor is the most powerful plastic chip yet

Technology

Flexible computer processor is the most powerful plastic chip yet

News

Quantum computer

Technology

Google demonstrates vital step towards large-scale quantum computers

News

China beats Google to claim the world's most powerful quantum computer

Technology

China beats Google to claim the world's most powerful quantum computer

News

Quantum data link established between two distant Chinese cities

Technology

Quantum data link established between two distant Chinese cities

A secure quantum link has been created between two Chinese cities, allowing researchers to send entangled photons more than 500 kilometres using a relay hub in the middle that doesn't need to be trusted

News

Technology

The essential guide to the algorithms that run your life

Features

Technology

An unhackable quantum internet comes with tough privacy questions

Leader

Technology

Quantum internet: The race is on to build an unhackable online world

Features

Technology

Virtual computer chip tests expose flaws and protect against hackers

News