I had fun over the weekend experimenting with my tippe top, a specially shaped top that flips itself over. Turns out the key to the flipping is friction: the more friction, the faster the top will flip, as the video shows.
I had fun over the weekend experimenting with my tippe top, a specially shaped top that flips itself over. Turns out the key to the flipping is friction: the more friction, the faster the top will flip, as the video shows.