Looking up at the sky just after sunset or just before sunrise will reveal a fairly staggering amount of satellites orbiting overhead, from tiny cubesats to the International Space Station. Of course ...

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.

See today's front and back pages, download the newspaper, order back issues and use the historic Daily Express newspaper archive.

Irwin, an Aussie wildlife conservationist and son of the late “Crocodile Hunter,” Steve Irwin, joins sister Bindi as a winner of the Mirrorball trophy.