During World War II, battles were ... for visualization on the screen. These crystals often couldn't handle the quickness and intensity of a rapidly changing radar signal. They would burn out ...

Forged in the fighting of World War II, the cavity magnetron was the heart of radar signals used to identify attacking German forces. The magnetron itself was truly an international effort ...

This Magnetron was the heart of the type 271Q naval radar use to detect U boats in the battle of the Atlantic. The Magnetron was one of the most important scientific developments of WW2.