Air pressure: an invisible force that plays a subtle yet significant role in our everyday lives. Some easy examples are the pressure in your car’s tires or storm system ruining your weekend plans. Heck, our own bodies are balanced against the ambient air pressure so we don’t just explode or collapse in on ourselves. Just think of how spider crabs feel when they’re pulled out of the water. One application of pressure people don’t often think about, however, is its role in food...