What happens when you weld two ball-bearings together, but them on a flat surface, and blow? They spin. At several thousand RPM.
This post has not been vetted or endorsed by BuzzFeed's editorial staff. BuzzFeed Community is a place where anyone can create a post or quiz.
Learn more or
post your buzz!
This post was created by a member of the BuzzFeed Community.
You can join and make your own posts and quizzes.