How Microwave Ovens Work
YouTube / engineerguy
Here's a detailed explanation to a simple question: how does a microwave oven work? Also covered: measuring wavelengths using cheese (!), what's in a magnetron, and why microwave ovens have "cold spots." Enjoy:
The video above is based in part on Bill Hammack's book, Eight Amazing Engineering Stories, if you prefer your engineering information in non-YouTube format.