Brainstuff
How does red eye in photographs work?
- Autor: Vários
- Narrador: Vários
- Editora: Podcast
- Duração: 0:02:24
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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://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
