It all has to do with our atmosphere. We may not always think about it, but we are basically living in a giant ocean of air. See the full answer, featuring WSU environmental engineer Shelley Pressley, at the Dr. Universe website.
While a stove or oven produces heat, a fridge can’t actually produce something called “cold.” So, how does a refrigerator manage to keep all your food cool? We have to engineer it. We must design a system that can carefully remove heat and put it somewhere else. See the complete answer on the Dr. Universe website, […]