Download the free templates at http://www.stevespanglerscience.com/diskspinners You might have heard the term, "Faster than the human eye." But is there really something that can happen so fast that a normal human eye can't register it? Believe it or not, it's absolutely possible and the Spinning Disc Illusion is a great way to learn how easily your eyes can be beaten.
Spinning Disk Illusion - Sick Science! #044
Grade Level Grades 6-12