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computing

Why it might be impossible to build a practical quantum computer

Physics

Why it might be impossible to build a practical quantum computer

After “quantum supremacy”, the next step is scaling up and mastering the errors that dog qubits. But some researchers reckon the noise might always to be too high for useful quantum computers

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

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Google researchers made a time crystal inside a quantum computer

Physics

Google researchers made a time crystal inside a quantum computer

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Flexible computer processor is the most powerful plastic chip yet

Technology

Flexible computer processor is the most powerful plastic chip yet

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Quantum computer

Technology

Google demonstrates vital step towards large-scale quantum computers

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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

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Quantum data link established between two distant Chinese cities

Technology

Quantum data link established between two distant Chinese cities

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The essential guide to the algorithms that run your life

Technology

The essential guide to the algorithms that run your life

Features

An unhackable quantum internet comes with tough privacy questions

Technology

An unhackable quantum internet comes with tough privacy questions

Leader

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

Technology

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

Great leaps are already being made in creating a super secure quantum internet. It could overturn the role of information in our lives and give us a globe-spanning quantum supercomputer

Features

Technology

Virtual computer chip tests expose flaws and protect against hackers

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Quantum Computing with Michelle Simmons and John Martinis

Physics

Quantum hyperchaos could help build better quantum computers

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Technology

Hordes of automated bots run the internet – can we bring them to heel?

Features

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