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Un micro onde - comment ça marche ?

C'est je JCB américain ce gars ... merci à lui ;)
JCB ? Pffff, Jean-Claude Bourret

Source:

Engineer Guy vs. The Microwave Oven


makezine.com

La vidéo:

Crédits:

26 juin 2012 par 

Bill details how a microwave oven heats food. He describes how the microwave vacuum tube, called a magnetron, generates radio frequencies that cause the water in food to rotate back and forth. He shows the standing wave inside the oven, and notes how you can measure the wavelength with melted cheese. He concludes by describing how a magnetron generates radio waves. You can learn more about the microwave oven from the EngineerGuy team's new book Eight Amazing Engineering Storieshttp://www.engineerguy.com/elements