There’s a certain charm to old-school analog clocks, unless you’re part of the generation that never learned how to properly decipher a bunch of numbers laid out in a circle. So Thingiverse user ‘joo’ ...

Throughout his life, Swiss engineer Jean-Léon Reutter was fascinated by the idea of a clock that could keep time for centuries without a winding mechanism or an external power source. In 1928, upon ...