Were you around before the microwave?
No need to date yourself, but today’s Smithsonian Snapshot is of an early microwave oven from 1976, courtesy of our National Museum of American History. The idea was patented after noticing that a magnetron was emitting heat-generating microwaves during an experiment with radar in 1945.
Read more: http://s.si.edu/m-oven
Photo: Richard Strauss, Smithsonian