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 ...

For astronauts to go on long missions to the moon or Mars, they need a refrigerator. But today’s fridges aren’t designed to work in zero gravity or upside down if oriented that way when a spacecraft ...

Astronauts sustain their appetites in space with weird, and often gross, freeze-dried food. These vacuum-sealed packets of everything from applesauce to cream of chicken soup have been around since ...