[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 ...

[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 ...

Credit: RFHIC Sitting inconspicuously in kitchens around the world is a palm-sized ... of the Atlantic, the cavity magnetron resembles the vacuum tubes used in old televisions, but with a twist.