A video of a burning candle at both of its ends… via Digg
Watch the candle as it burns from both ends while balancing on a pin inserted through its center of mass.
The best diagram ever to fit on an index card via Digg
Not sure how I should write this one up, but it’s quite a piece of geometric philosophy.
Marv
The index card diagram comes from the excellent Indexed blog at http://indexed.blogspot.com/. Lots more diagrams there.
Ummm. That link didn’t work. 🙁
http://indexed.blogspot.com/