The University of Nottingham has a wonderful series of videos,
Sixty Symbols, viewable via YouTube. Ever wondered how the heck the laws of physics allowed that Drinking Bird to get going forever? Watch the
great video. In actuality, there aren't sixty complete videos - have a symbol you'd like explained by these brainiacs? Suggest one to them and they might make a video for their collection.
Astronomy, mathematics and physics, oh my.