Two mathematicians have proved that a straightforward question—how hard is it to untie a knot?—has a complicated answer.

Abstract: Deep learning technology has shown excellent performances and successful applications in optical information processing. However, the long-time training, large amount of manually labeled ...

Quantum entanglement shows particles can be instantaneously linked, challenging our understanding of space, time, and ...

They discovered a way around an important quantum physics law, enabling a future ability to navigate an interstellar journey, ...

How do we know the speed of light – and why does it have a speed limit at all? Leah Crane explores the history of one of the ...

This week, researchers published LIGO findings that hint at the existence of second-generation black holes. Astronomers captured a spectacular new image of the Milky Way across a wide range of radio ...

Machine learning models are designed to take in data, to find patterns or relationships within those data, and to use what ...