When preparing to swing at the tee, you want to golf ball to go just as far as you want it in exactly the right direction you want it to go. That's where the dimples come in. Learn why golf balls have dimples and where they came from.
The things people do on ice rinks are so spectacular we sometimes forget how remarkable ice rinks themselves are. Maintaining a proper ice rink is a real feat of engineering. Get a behind the scenes look at this very cool technology.