Aftereffect. Click the start button, stare at the moving bars for about ten seconds, then click stop. What do you see? Try different directions of movement. Can you predict the aftereffect of each? Next, show options and try some of the suggestions in the Further Exploration section of this chapter. Copy this link to save your custom settings.
(To see more of the moving image, hide the caption and use the enter key to start and stop the motion.)