How the Geneva Drive (the mechanical step that makes the second hand on a clock work by turning constant rotation into intermittent motion) works.
Oh snap!
As an engineer, this makes me happy.
If only one loop of this gif were equal to one second…
easy peasy
watching this while listening to a clock ticking
is the best decision i have ever made
Man this is rather fascinating.
gearlike devices that are fascinating in their bullshittery are many and sundry