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How does a Fresnel lens work?

Kategorie: Wissen und Wissenschaft
Kanal: BrainStuff
Datum: 17. September 2012, 20:51
Stufe: B1-B2 (Mittelstufe)

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The thin piece of plastic called a Fresnel lens solves some of the problems inherent in traditional magnifying lenses. Learn more about the benefits and weaknesses of Fresnel lenses in this podcast from HowStuffWorks.com. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers