Podcasts > Kategorie: Wissen und Wissenschaft > Kanal: BrainStuff

How Red Eyes in Photographs Work

Kategorie: Wissen und Wissenschaft
Kanal: BrainStuff
Datum: 14. Juli 2008, 19:32
Stufe: B1-B2 (Mittelstufe)

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The flash of a camera is bright enough to cause a reflection off the human retina -- the red we see in these photos comes from the blood vessels in the eye. Learn more about red eyes and cameras in this HowStuffWorks podcast. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers