While vacuum electronic devices have largely been superseded over much of consumer electronics, there’s one place where they can still be found for now. The cavity magnetron is a power RF oscillator ...

[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 ...

Paul March indicates that Eagleworks NASA has started the build of their 1.2kW magnetron powered EM-Drive prototype in a tetter-totter balance system. It is being built to replicate the thrust ...

In the summer of 1940, the war with Germany was at a critical stage. France had recently surrendered and the Luftwaffe was engaged in a concerted bombing campaign against British cities. The United ...