There’s a mix of white and black beads. You just don’t see any black ones drop in the video because the last (first) line is all white.
Comment on This is a really cool clock
ProfThadBach@lemmy.world 4 weeks ago
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Quetzalcutlass@lemmy.world 4 weeks ago
Gobbel2000@programming.dev 4 weeks ago
There are much longer versions on the YT channel of Ivan Miranda who built it: www.youtube.com/channel/UCF3cDM_hQMtIEJvEW1BZugg
It works by pushing out wrong marbles in the elevator so only correct ones for the current time make out to the queue.