It’s clock time again on Hackaday, this time with a lovely laser-cut biretrograde clock by [PaulH175] over on Instructables. If you’ve never heard of a ‘biretrograde clock,’ well, we hadn’t either.

The process of laser cutting is probably one of the most flexible manufacturing processes available in modern engineering. An image of laser cutting in action – image courtesy of GF Laser. The ability ...

Scientists have developed an atomic clock that is more precise and accurate than any clock previously created. The new clock was built by researchers at JILA, a joint institution of the National ...