For what it's worth, Cox isn't a comedian. He has a PhD in physics, has supervised PhDs of his own, has been a research scientist at some of the best groups in

For what it's worth, Cox isn't a comedian. He has a PhD in physics, has supervised PhDs of his own, has been a research scientist at some of the best groups in the world, and currently works in Geneva with the LHC. Surely he's qualified to demonstrate F=ma, even to someone with a sense of wonder as evolved as your own.