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A Moment of Science

Posts tagged retinas

January 9, 2018

 

A skilled reader’s eyes move four or five times each second.

How We Read

The part of our eyes we use to see fine detail, and to read, is actually very limited: an angle of five degrees at the center of our field of vision.

August 17, 2017

 

Make sure that your eclipse eyewear is safe to use before the eclipse.

Proper Eye Protection For A Solar Eclipse

Make sure to have the proper eyewear for the August 21st solar eclipse.

November 7, 2015

 

Dogs always see in monochrome.

Your Dog Doesn’t See Colors

Why doesn't your dog notice his dark green toy on your dark red rug?

October 21, 2010

 

Why Do Cats Have Slit Pupils And Humans Have Round Pupils?

You probably have noticed that cats have slit pupils and humans have round pupils. What are the advantages of each pupil shape?

August 2, 2007

 

What’s So Primary about Primary Colors?

With three simple ingredients, a red, a green, and a blue spotlight, you can make any color of the rainbow. Learn more on this Moment of Science.

May 3, 2005

 

Warm Eyes See Better

How do cold blooded fish stay warm in the frigid ocean? Learn more on this Moment of Science.

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