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What is a quantum computer?

Question

What is a quantum computer?

Quantum computers are machines that use the properties of quantum physics to store data and perform computations.

Google's sycamore chip

Technology

Google's qubit rivals: The race to useful quantum computers has begun

News

Google hits back at IBM's quantum supremacy challenge

Physics

Google hits back at IBM's quantum supremacy challenge

News

Quantum computer

Physics

It’s official: Google has achieved quantum supremacy

News

IBM lab

Physics

IBM says Google may not have reached quantum supremacy after all

News

What the quark?! Why matter's most basic building blocks may not exist

Physics

What the quark?! Why matter's most basic building blocks may not exist

Features

The google universal quantum computer

Technology

Google has reached quantum supremacy – here's what it should do next

Analysis

Energy flash

Physics

Google claims it has finally reached quantum supremacy

News

artwork

Physics

Bye bye space-time: is it time to free physics from Einstein’s legacy?

Leader

What is space-time? The true origins of the fabric of reality

Physics

What is space-time? The true origins of the fabric of reality

A bold new perspective suggests space-time isn’t a fundamental entity but emerges from quantum entanglement, says physicist Sean Carroll

Features

Physics

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

News

Physics

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

News

Physics

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

Features

Physics

A classic quantum theorem may prove there are many parallel universes

News