BesslerWheel.com

Fascinating video of a robot able to balance an inverted pendulum, starting from a hanging position . http://hackaday.com/2010/11/27/balancing-inverted-pendulums/ The part I love is how the robot puts additional energy into the pendulum to get it started, but then needs very little energy afterwards...

I second DrWhat's comment. In fact the mention of "personal offence" reminds me of an email etiquette rule which states to be wary when using or reading strong language, as it is often interpreted with a stronger tone of voice than was originally intended by the author. So I hope all conce...