When engineer Percy Spencer discovered that his chocolate bar became a mess when near a magnetron, it lead to the invention of what modern convenience?
when engineer percy spencer discovered that his chocolate bar became a mess when near a magnetron, it lead to the invention of what modern convenience
FreebaseQA-train-14812.P0
percy spencer
percy spencer
m.01ryz3
law.inventor.inventions
m.0fx9l
microwave