Air conditioning has fundamentally changed how people experience the world. When it's hot outside, walking into an air-conditioned house is like walking into another season. How do air conditioners keep us cool?
You might have heard that fluorescent bulbs are supposed to be more efficient than normal light bulbs, but is this really the case? See more »
When you're whipping up your famous paella, the thought of saving money and energy probably isn't at the front of your mind. Yet you could be saving money every single time you cook --if you have an energy-efficient stove. See more »