![](http://www.stormyprods.com/blog/Picture233_27Sep05_12360520.jpg)
There's a bit of a breeze in my office due to the position of the building's ventilation system, so I made a pinwheel to monitor the wind speed. It gets spinning pretty fast at times.
![](http://www.stormyprods.com/blog/Picture234_27Sep05_89728721.jpg)
Maybe I'll hook up an electric generator to it during my lunch break. ;-)