[Curious Droid] is back with a history lesson on one of the most important inventions of the 20th century: The cavity magnetron. Forged in the fighting of World War II, the cavity magnetron was ...

The cavity magnetron is a power RF oscillator device in which electrons are induced to move in a circular path through a tuned cavity, inducing a high-power RF field, and it lies at the heart of a ...

Invented during the height of the Battle of the Atlantic, the cavity magnetron resembles the vacuum tubes used in old televisions, but with a twist. Magnetrons cause electric charges to oscillate ...

Ling said. A tiny device called a cavity magnetron could be put into airplanes to help troops see enemy submarines, planes and ships at night and through thick cloud cover. Together: Project ...