Devices like this experimental apparatus can produce pairs of photons that are linked, or ‘entangled’.
Carlos Jones/ORNL, U.S. Dept. of Energy
Quantum entanglement is the stuff of sci-fi, advanced physics research and, increasingly, technology used by governments, banks and the military.
When two particles are entangled, the state of one is tied to the state of the other.
Victor de Schwanberg/Science Photo Library via Getty Images
A multitude of experiments have shown the mysterious phenomena of quantum mechanics to be how the universe functions. The scientists behind these experiments won the 2022 Nobel Prize in physics.
Two particles are said to be entangled when one cannot be perfectly described without information about the other being included.
The quantum nature of light can be harnessed for a variety of purposes.
So far researchers have only been able to control a handful of qubits — the basic units of information in a quantum computer. A new approach could help them control millions at a time.
Caltech / MIT / LIGO Lab
The world’s biggest gravitational wave observatory is now probing the limits of quantum mechanics.
Quantum microscopes reveal biological structures that would otherwise be impossible to see.
Entangled photons have been used for the first time to encode information in a hologram, which could lead to improved medical diagnosis and speed up the advance of quantum technologies.
Chien-Shiung Wu’s experiments were instrumental in supporting some of the biggest 20th-century theories in physics.
Bettmann via Getty Images
Chinese American physicist Wu worked on the Manhattan Project and performed groundbreaking experiments throughout her long career.
New research shows how the next generation of ultra-secure communication could be possible with existing infrastructure.
The Micius satellite has enabled messages with unbreakable encryption to be sent 1,200km.
Natali art collections/Shutterstock
Experiment produces thousands of entangled atoms, raising hopes that we can soon create real quantum computers.
An illustration of the two 20-micrometre-wide vibrating drumheads, each composed of trillions of atoms, in an entangled quantum state of motion.
Petja Hyttinen and Olli Hanhirova, ARKH Architects Ltd.
We usually think of quantum entanglement in the realm of atomic systems, but now it’s been scaled up to relatively massive objects. This opens the door to new kinds of technology.
Rey, played by Daisy Ridley, trains in the ways of the Force in
Star Wars: The Last Jedi.
The Force in Star Wars may be a form of quantum entanglement. Here’s how.
Looking inside a quantum computer.
As companies make quantum computers available through their cloud services, take a look at what it means for computing to move beyond classical mechanics and into quantum physics.
When black holes collide, gravitational waves are created in space itself (image is a computer simulation).
The SXS (Simulating eXtreme Spacetimes) Project
Einstein called entanglement “spooky action at a distance”. But now it’s been used to design an incredibly sensitive detection method for gravitational waves.
The Micius satellite will encrypt data using fundamental laws of physics rather than crackable codes.
It’s proven: the universe is weird.
Testing the bizarre theory of quantum mechanics isn’t easy, but scientists are making progress.
Measuring the photons in an entangled state was part of the experiment.
Scientists say they’ve have closed the loopholes on an experiment that tests a half-century old theory in quantum mechanics.So what does it reveal?
Binary systems are not enough if you want to improve security.
As hackers get more sophisticated in their cyber crime efforts we need to look to new technology to make our systems more secure, and potentially unhackable. So how can quantum physics help?
Harnessing the quantum property of light takes security to the next level.
Decades of data security research have brought us highly reliable, standardized tools for common tasks such as digital signatures and encryption. But hackers are constantly working to crack data security…