We are all familiar enough by now with the succession of boards that have come from Raspberry Pi in Cambridge over the years, ...

The CRASH Clock is a new metric for measuring the risks of satellite congestion in low-Earth orbit. Its calculations are disturbing. Reading time 2 minutes Last week, a Chinese spacecraft passed ...

You can buy all kinds of conventional clocks that have hands and numbers for easy reading. Or, like [Fabio Ricci], you could build yourself something a little more esoteric, like this neat shadow ...