The repeal of the Missouri Compromise was more impactful, according to historian Robert Forbes, than the compromise itself. While it effectively settled the question of slavery from 1820 to 1854, its repeal began the sectarian conflict that eventually brought the nation into the Civil War. Vocabulary.
The first popcorn machine was invented by Charles Cretors of Chicago, Illinois in 1885. In order to test his machine, it was necessary for Charles to operate it on the street as the customer.
Raytheon loved the idea and so did Spencer. They realized they were onto something with the food heating that could happen and this eventually led to the invention of the microwave. Spencer himself actually holds the patent for microwave popcorn. It could be said, however, that the invention of microwave popcorn is what actually led to the invention of the microwave.