Every time we stopped walking, it seemed that everything I looked at was receding from me.This effect was described in the early 19th century by R.I soon realized that rather than going to the trouble of having a small and a large disc I could just photographically reverse one of them and paste it on the other.
Also was on That's Incredible, Omni the New Frontier program, Bill Nye the Science Guy and many more with the Tri-Zonal Space Warper and other optical illusions, and some of my magic.Once the applet has been detached, the button label changes to "Attach" and clicking the button causes the applet to re-attach to the Web page. Above a certain point, increasing the speed will have no effect due to your computer's limitations.The Speed Control varies the speed of the animation in a range of 1 through 120 RPM. The illusion is an example of the "Motion Aftereffect" phenomenon.Jerry is a well-known magician who has invented a number of unique illusions.
He sent me several original newspaper articles describing his work including his 3-zone spiral which he calls the "Tri-Zonal Space Warper".
Jerry Andrus invented the multi-zone rotating spiral (with alternating expanding and contracting zones).