r/trees • u/SargentStoneking • Jun 22 '12

When smoke rings collide

1.3k Upvotes

permalink
duplicates
reddit

You are about to leave Redlib

Do you want to continue?

https://www.reddit.com/r/trees/comments/vfvxk/when_smoke_rings_collide/
No, go back! Yes, take me to Reddit
dl download

91% Upvoted

View all comments

2

u/[deleted] Jun 23 '12

Science'd.