In 1945 the Raytheon Company faced a tremendous demand for magnetron tubes to power the new radar system used to detect enemy aircraft. One day when a Raytheon engineer named Percy L. Spencer stepped too close to a magnetron tube, he noticed that the chocolate bar in his pocket had melted.
Other engineers had noticed the same thing, but didn’t give it much thought. Spencer, on … [ Read more ]
Subjects: History, Innovation