Hours and Hours of video on how things are built, by hand. I'm utterly fascinated by the craft of building tangible objects with your hands.
A legend in the Interaction Design field
..and most recently, I enjoy getting my design related digest from Sacha Greif & Co.
By the way, the HN crowd might be interested to know Sidebar is built with Meteor (on top of Telescope actually: http://telesc.pe).