A Look Inside the Geochron Clock

There are plenty of cool clocks out there, and maps by their very essence are cool, too. But a map that’s also a clock — or is it a clock that’s also a map? — has to be the coolest thing ever.


This is a companion discussion topic for the original entry at https://hackaday.com/2024/05/31/a-look-inside-the-geochron-clock/