If you've ever received a special shipment of meat or seafood at home, it probably arrived surrounded by blocks of dry ice. What is dry ice?
Frost-free freeze physics--it's more than a tongue-twister.
You fill the ice tray up to the rim and put it in the freezer. The ice that results will be?
What does "freezer burn" mean and how can you prevent it?
If you’ve ever been to the Air and Space Museum in Washington DC, perhaps you’ve sampled the kind of freeze-dried ice cream astronauts eat during space missions. A stiff, dry square, the freeze-dried version tastes just like ice cream, except that it isn’t cold, and has no moisture.