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JackFr
136 days ago
Railroad cars don't have differentials and travel on parallel tracks. How?
https://www.reddit.com/r/Skookum/comments/47sbri/richard_fey...
1 comments
pixl97
136 days ago
For those that don't read the link, by having conical wheels.
link
JackFr
131 days ago
It’s much cooler when Richard Feynman explains it.
link