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Technology

Quantum GPS can help planes navigate when regular GPS is jammed

A quantum sensor using Earth's magnetic fields outperformed standard GPS backups in test flights. This technology could help commercial aircraft stay on course amid a rise in GPS jamming and spoofing attacks

News

Technology

A classic hacking technique works on some quantum computers

News

Abstract prism of light references quantum properties

Video

Five physicists discuss the achievements and future of quantum theory

Video

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

Leader

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

Comment

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

Physics

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

Features

Could the ancient Greeks have invented quantum theory?

Physics

Could the ancient Greeks have invented quantum theory?

Features

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

Physics

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

Features

A timeline of the most important events in quantum mechanics

Physics

A timeline of the most important events in quantum mechanics

Features

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

Physics

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

For 100 years, quantum theory has painted the subatomic world as strange beyond words. But bold new interpretations and experiments may help us to finally grasp its true meaning

Features

Physics

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

Features

Technology

US military launches initiative to find the best quantum computer

News

Physics

Where Schrödinger’s cat came from – and why it’s getting fatter

Comment

Technology

Why quantum computers may continue to fail a key test

Analysis