When you think of open-source hardware, you probably think of electronics and maker tools– RepRap, Arduino, Adafruit, et cetera. Yet open source is an ethos and license, and is in no way limited to ...

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 ...

The Doomsday Clock is a metaphor that represents how close humanity is to self-destruction, due to nuclear weapons and climate change. The clock hands are set by the Bulletin of the Atomic Scientists, ...