Monday, November 9, 2009

Seeing in the Dark Trivia

It takes the human eyes an hour to adapt completely to seeing in the dark. Once adapted, however, the eyes are about 100,000 times more sensitive to light than they are in bright sunlight.

2 comments:

frogponder said...

Did you see the Mythbusters where they tested the pirate eye patch theory - that it was a way of preserving night vision. They tested it and it really worked!

Joy said...

No, I missed that one. Neat!