**Dmitri Sotnikov ⚛️** @yogthos@mastodon.social · Mar 30, 2018, 13:16

**Dmitri Sotnikov ⚛️** @yogthos@mastodon.social · Mar 30, 2018, 13:16

verity is a user on kitty.town. You can follow them or interact with them if you have an account anywhere in the fediverse.

Why train wheels have conical geometry

**verity** @verity · 2018-03-30T14:01:34Z

verity @verity

@yogthos this is so cool!!

Mar 30, 2018, 14:01 · Web · 0 · 0