[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 ...

Microwave ovens are everywhere, and at the heart of them is a magnetron — a device that creates microwaves. [DiodeGoneWild] tore one apart to show us what was inside and how it works. If you decide to ...

Thin films play a crucial role in the fabrication of several components and devices, such as protective coatings, integrated circuits, solar cells, and optical ...

One day in the mid-1940s, Raytheon employee Percy Spencer was working with an active radar set when he noticed that a candy bar in his pocket had melted. Spencer got some popcorn, put it in proximity ...