Synthetic Strobe Demos

Click here for a version of this page that uses plugins. (It may not work on all browswers).
Movies with variable disk speeds are also available
In all these movies, the frame rate is 15 frames per second.
CONSTANT DISK SPEED: NO ALIASING
CONSTANT SPEED: FOLDING
CONSTANT SPEED: ALIASING
graphics/stb0x15.gif
graphics/stb0f15.gif
graphics/stb0a15.gif
graphics/stb1x15.gif
graphics/stb1f15.gif
graphics/stb1a15.gif
graphics/stb2x15.gif
graphics/stb2f15.gif
graphics/stb2a15.gif
graphics/stb3x15.gif
graphics/stb3f15.gif
graphics/stb3a15.gif

In all these cases, the disk is actually rotating in a counter-clockwise direction at a constant speed. The true speed is indicated in red.