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We can build quantum computers using the rules of special relativity

Machine learning helped show how harnessing the weird effects of Einstein’s special relativity could enable a new kind of quantum computer – and it could also lead to new insights into the quantum realm

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Quantum batteries could make quantum computers more efficient

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Technology

Quantum GPS can help planes navigate when regular GPS is jammed

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Technology

A classic hacking technique works on some quantum computers

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Abstract prism of light references quantum properties

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Five physicists discuss the achievements and future of quantum theory

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Quantum computer circuitry illustration. Conventional computers store information as 'bits', with each transistor holding either a 1 or a 0. Quantum computers use quantum bits, or qubits, which operate according to two principles of quantum physics. One of the principles, supposition, allows a qubit to store a 1 and a 0 at the same time. This means two qubits can hold four values at once. The second principle, entanglement, means that the state of one qubit can depend on the state of another. As you expand the number of qubits, the machine becomes exponentially more powerful.

Physics

Quantum theory at 100: Let’s celebrate its power and provocation

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2G4A579 3D visualization of gravity distorsion, physical objects in orbit, space, general theory of relativity, law of universal gravitation, scientific

Physics

Why I still love reckoning with the quantum gravity problem

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Where exactly does the quantum world end and concrete reality begin?

Physics

Where exactly does the quantum world end and concrete reality begin?

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Could the ancient Greeks have invented quantum theory?

Physics

Could the ancient Greeks have invented quantum theory?

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What exactly would a full-scale quantum computer be useful for?

Physics

What exactly would a full-scale quantum computer be useful for?

As quantum computers mature, they will be transformational. But there are good reasons why we don’t yet know exactly which problems they will excel at – and that makes them all the more exciting

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Physics

A timeline of the most important events in quantum mechanics

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Physics

What does quantum theory really tell us about the nature of reality?

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Physics

Carlo Rovelli on what we get wrong about the origins of quantum theory

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Technology

US military launches initiative to find the best quantum computer

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