It’s not easy to study quantum systems — collections of particles that follow the counterintuitive rules of quantum mechanics. Heisenberg’s uncertainty principle, a cornerstone of quantum theory, says ...

This article is part of a package on the future of quantum computing. Read about the most promising applications of these machines here and see an illustrated field guide to qubits here. Inside a ...

To keep communications secure in a post-quantum world, cryptographers are digging down into the concept of cause and effect.

At first glance, quantum mechanics might seem strange or even impossible. That’s because our everyday experiences of the laws of physics are very different from how matter and energy behave at the ...

The original version of this story appeared in Quanta Magazine. It’s not easy to study quantum systems—collections of particles that follow the counterintuitive rules of quantum mechanics.

India has placed early bets in the quantum technology space, but global powers like China and the US have a solid head start.

New technologies are enabling scientists to tackle previously elusive physics problems. The macroscopic realm, which consists of everything from falling balls to orbiting planets, can be explained by ...

Quantum computing, once a theoretical concept, is rapidly becoming a reality. These powerful machines have the potential to solve problems that traditional computers can't handle, utilizing quantum ...

Randomness is essential to some research, but it’s always been prohibitively complicated to achieve. Now, we can use “pseudorandomness” instead. Nothing is certain in the quantum realm. A particle, ...

Emerging quantum threats require immediate action. Here’s how financial services firms can get started on the path to post-quantum cryptography. Quantum computing may sound like futuristic arithmetic ...

Quantum computing is a technology forever a few years away, always on the cusp of its prime time. But it is finally starting to feel a little closer, as more systems start shipping to research labs ...