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During World War II, workers at technology company Raytheon were designing and creating the magnetron tubes used in U.S. and British radars. Standing in front of one of these magnetrons one day, ...

It may seem like a holdout against the solid-state world, but the vacuum-tube magnetron is still at the heart of every consumer microwave oven and many commercial ones used for cooking or drying.

There’s a reason the microwave oven in your kitchen is a heavy brick: it uses a magnetron and vacuum tube technology that dates back to World War II. But since then, microwave technologies have been ...

Brace yourself for an electrifying journey filled with unusual experiences and daring inventions! On this channel, we explore ...