The first U.S. patent for a refrigerator was awarded to a Florida doctor in 1851, but it wasn't intended to cool food. The inventor wanted to use it for air conditioning.
Now, artificial refrigeration has completely changed the way we eat.
Nicola Twilley is author of the blog Edible Geography, as well as co-founder of the Foodprint Project and director of Studio-X NYC, an urban futures network run by Columbia University's Graduate School of Architecture, Preservation and Planning.
She wrote about the network of giant refrigeration spaces across the country for Cabinet magazine.
This segment aired on January 23, 2013.