4 ms·

Great video, saw it yesterday, need to see the second one ASAP

• me_me_me 5y ago
  Pullies as a way of summation is mindblowing simple and beautiful solution. Before he revealed the solution I was thinking about some rail(s) that can be stack with movement of the rail translated into next wheel, but he pullies and rope is such a much better solution.
  • dredmorbius 5y ago
    I went through pretty much precisely the same set of thoughts. Yes, quite elegant.