Watch the video: http://www.youtube.com/watch?v=IGQmdoK_ZfY
OR, same thing
Go to http://www.dansimons.com/videos.html. Watch the top video.
- OR: To the right see the menu of 8 videos. The top right-hand one should be 19.16 minutes, of Dan’s TED Talk, demonstrating students passing volleyballs. Try that one.
The work of Dan Simons is valuable. We circulated it by email (in 2010, I think).
UPDATE: MORE, on the fallibility of our perception, see