Colour-Contingent Motion AftereffectThis may take a minute to load because the movie is big (it will be smaller in future versions).
What the movie shows: You should see red stripes moving up, and green stripes moving down.
What to do: Stare at the black vertical strip between the the stripes for about a minute. Then click on the movie to stop it.
What you should see. Click on the red/green movie to stop it. Look at the black/white movie. The upward stripes should now appear green-ish, and the downward stripes should appear red-ish.
Explanation: To be added later.
If you want to start the movie again just reload the page (click the reload button on your browser).