Like many feats of visual trickery, the secret behind psychologist Richard Wiseman's "Tube of Mystery" boils down to a few not-so-mysterious tricks of the trade. What makes this illusion interesting, though, is how well it works even when performed badly.
Sleight-of-hand artist Apollo Robbins steals things for a living. In this captivating TED video, he explains how treating people's attention as a limited resource keeps him employed.
Check out this fantastic video on professional pickpocket Apollo Robbins (pictured above) — a man so talented at his craft, psychiatrists, neuroscientists, and the military have studied his techniques for what they reveal about the nature of human attention.