Brainstuff

How Red Eyes in Photographs Work

Informações:

Synopsis

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.

Join Now

Join Now

  • Unlimited access to all content on the platform.
  • More than 30 thousand titles, including audiobooks, ebooks, podcasts, series and documentaries.
  • Narration of audiobooks by professionals, including actors, announcers and even the authors themselves.
Try it Now Firm without compromise. Cancel whenever you want.

Share

 ⁠