[proteinbased]

Regarding bicycles, I feel compelled to share one of my favourite articles on wikipedia. [1] Still, I think the point you made is valid.

[1] https://en.wikipedia.org/wiki/Bicycle_and_motorcycle_dynamic...

[agumonkey]

Pretty neat. There's also a TED talk about balance which was pretty amazing.

ps: I wonder if there's a skateboard dynamics.