Depth Perception

Every wonder why I wear glasses? It's a depth perception issue. The audio clip below talks about some other depth news:

Eye movements combined with the motion of objects in the field of vision enable some depth perception even with only a single eye. Cynthia Graber reports for 6o Second Science from Scientific American.

Explaining Twitter

Here is a great video to explain the little box on the right labeled "Tim's Twitter Updates" and why the stuff in it changes so randomly. Enjoy the show and check out more web concepts explained in plain english at http://www.CommonCraft.com/show