Daily Archives: August 16, 2017

If you wear sunglasses for a solar eclipse, you could actually increase the risk of eye damage. — Everyone knows you shouldn’t look directly at the Sun. The rule also applies during a solar eclipse (except during totality). NASA and the media have done a great job explaining that it’s important to use special eclipse glasses to view the eclipse, but you may be wondering whether eclipse glasses […]

Why Sunglasses for a Solar Eclipse Are a Bad Idea Recently updated !

This entry was posted on August 16, 2017 by Anne Helmenstine (updated on March 22, 2023)

The visual center of brains of blind people may be active and produce lights and colors. — One of the most common questions blind people get asked about their blindness is “What do you see?” Unless the blind person formerly had sight, there’s no frame of reference to describe the experience. A person blind from birth typically doesn’t see anything… not black, not gray, not white. It’s […]

What Do Blind People See?

This entry was posted on August 16, 2017 by Anne Helmenstine (updated on May 2, 2021)