Qui cherche trouve - pourquoi un raisin au micro-onde fait des étincelles (plasma !)

À ne pas faire sans un adulte à côté de soi.

Je ne connaissais pas cette expérience, marrant =)

Extrait:

The real story, Slepkov concludes, is suitably sized fruits. These “form resonant cavities that concentrate electromagnetic fields to extreme subwavelength regions.” He added: “The formation of plasma is due to electromagnetic hotspots.” These arise because resonances in the two halves of the grape cooperatively interact.

Something Awesome Happens When You Put Grapes In A Microwave, And Now We Finally Know Why

iflscience.com why-grapes-produce-sparks-in-a-microwave.jpg
iflscience.com

La vidéo: avec un Veritasium de 2011 ;)

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