depth perception

http://www.cnn.com/2013/06/15/health/stereo-vision-recovery/index.html?hpt=hp_t2 It's a cool story, but I have a specific question on part of a sentence in it. (And this might belong under philosophy, but to me it seems that science is a better fit.) In summary, a guy who has always had poor...

This rocks! http://www.news.com/8301-13580_3-9858728-39.html There is one little problem that I can see, though - it's not the ideal position to be in for head tracking. Ideally you would want sideways movements of your head to change perspective, but that would mean having your face right...