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

The answer has its roots in Portuguese, Dutch, and English sailors who needed a way to tell how fast they were going in an ...

At a specific rotation angle, known as the “magic angle” (just like in twistronics), the waves become highly focused and ...

Rice researchers and collaborators have developed a way to generate and control radio wave patterns that can identify a ...

EU researchers are exploring how undersea communication cables can double-up as environmental and seismic sensors—a potential ...

Engineers combine measured data, multi-level behavioral models, and simulation tools to predict real-world performance across ...

The National Institute of Information and Communications Technology (NICT) has successfully demonstrated entanglement swapping (one of the key quantum communication protocols) using sum-frequency ...

With more than a decade of experience, Nelson covers Apple and Google and writes about iPhone and Android features, privacy and security settings, and more. As the holidays approach, millions of ...