What does it mean to be ‘quantum’? A physicist explains the basics behind Einstein’s spooky actions at a distance

Imagine shining a flashlight across a dark room. You can predict exactly what the light will do: travel in a straight line ...

Schrödinger’s cat just got a whole litter of weird new siblings in a major quantum breakthrough

First formulated in 1935, the famous thought experiment attempts to explain the weirdness of quantum superposition, but a new study shows that this theoretical feline is really only the beginning of ...
Nature

Is gravity quantum? Experiments could finally probe one of physics’ biggest questions

Quantum physics is often described as the most successful scientific framework in history. In its 100 years of existence, it has explained everything from the periodic table of the elements to how ...
Phys.org

Bringing quantum time into the lab—a single clock can run young and old at once

Few concepts in physics are as familiar, yet as enigmatic, as time. In Einstein's theory of relativity, time is not absolute: its passage depends on motion and gravity. But when combined with quantum ...
Scientific American

Quantum computing is reaching its make-or-break moment

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 ...