Saturday, February 23, 2013

How Fast Is a Blink of an Eye?

How Fast Is a Blink of an Eye? | eHow.com:

'via Blog this'

Speed

  • The human eye can blink much faster than a second, and, in fact, it's perfectly possible to blink several times in a single second. On average, a human eye takes between 300 and 400 milliseconds to complete a single blink.