Doomsday clock set at 89 seconds to midnight, closest ever to "global catastrophe"
The clock was initially set at seven minutes to midnight and has moved 25 times since then. It can move backwards and forwards, with movement away from midnight showing that people can make positive ...
Hackaday3y
Hidden Shaft And Gears Make This Hollow Clock Go
[shiura]’s Hollow Clock 3 is a fantastic 3D printed take on a clock movement that uses a hidden mechanism to pull off its unusual operation. The Hollow Clock has no face, just an open space with ...
What drives mood swings in bipolar disorder? Study points to a second brain clock
A brain rhythm working in tandem with the body's natural sleep-wake cycle may explain why bipolar patients alternate between ...