If you don't already know why a helium balloon tethered to the floor of a minivan has the power to make your jaw drop, you're going to want to see this. Seriously – set aside five minutes of your time, have a seat and watch. You won't regret it.
They're also surprisingly counterintuitive. For instance: who here thinks that the sweepers' job is to increase or decrease the friction of the ice in front of the stone to make it curl? I definitely did. Turns out that's totally wrong. And it's still not even the weirdest thing about the physics of this sport.
Stop what you're doing and watch this. No, really. Clear your schedule for the next seven minutes and have a seat. This here's the story of Prince Rupert's Drop – and if you're into physics, high-speed video, explosions, or the feeling of your jaw falling open in an involuntary expression of sheer wonderment, it's a…