People have often argued that digital technologies change the role of teachers from (as it is commonly described) a "sage on the stage" to a "guide on the side." Personally, I have my doubts about this, complicated somewhat by my recent experiences with GPS...
Posts related to: Good | Bad Design
The story of stuff
Check out Story of Stuff or watch the movie... [youtube:http://www.youtube.com/watch?v=ucMJ32-xp64] For the new version of CEP817 or maybe even CEP917
Virtual speed bump
Optical illusions are usually seen as being cool visual tricks, an intriguing way of peeking into how our brain works. They have rarely been considered to be functionally useful. Here is an exception: an optical illusion seen as a virtual speed bump! Check it out...