We pay for content that we like, and we like the content we pay for. It's a lot more satisfying to pay $7.50 for Steven Spielberg's next epic than it is to watch my home movies for free. Even for me.
Nathan MyhrvoldThe physics of water is central to cooking, because food is mostly water. All steak that you cook is actually boiled on the inside.
Nathan MyhrvoldFood, like anything else, lives in the physical world and obeys the laws of physics. When you whisk together some oil and a little bit of lemon juice - or, in other words, make mayonnaise - you are using the principles of physics and chemistry. Understanding how those principles affect cooking lets you cook better.
Nathan Myhrvold