Last week I blogged the Best Visual Illusion of 2009. Here is the runner-up, illustrating the principle of "afterimage." You need to view it at the link, because the illusion requires motion; the inset above is just a screencap.
Afterimage visual illusion
Last week I blogged the Best Visual Illusion of 2009. Here is the runner-up, illustrating the principle of "afterimage." You need to view it at the link, because the illusion requires motion; the inset above is just a screencap.