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

Electrically controlled silicon photonic devices use carbon nanotube heaters to modulate and filter terahertz waves on chip ...

Rents climb, bills bite, and space runs short. A prefabricated fix now promises a real roof, fast, and for far less. Amazon’s ...

Here are some of the TV highlights in the coming days from Saturday, November 1, including Celebrity Race Across the World ...

A G1 (minor) geomagnetic storm is often the result of Earth plunging into a fast stream of the solar wind, or when a small, ...

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

This paper describes Unbend - a new method for measuring and correcting motions in cryo-EM images, with a particular emphasis on more challenging in situ samples such as lamella and whole cells. The ...

Ontario will introduce legislation next month to ban the use of speed cameras across the province, Premier Doug Ford announced Thursday, framing it as an affordability measure. Ford has been bemoaning ...

A rise in motorists being caught by speed cameras has been blamed for a massive increase in the number of penalty points added to driving licences last year. Figures obtained by Co-op Insurance show a ...