How a village potter invented a refrigerator that works without electricity: What makes it so 'cool'

A Gujarati potter, Mansukhbhai Prajapati, revolutionized rural India with his electricity-free clay refrigerator. Born from ...
jdpower

How Does an RV Refrigerator Work, and Differ From a Conventional One?

Many RV enthusiasts wonder why it’s not a good idea to simply use a small, conventional model in an RV. For one, conventional refrigerators aren’t built to last in an RV. A residential fridge is not ...
The Spokesman-Review

Ask Dr. Universe: How do refrigerators work?

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 ...