I recently stumbled upon a great science blog called "Ask a Mathematician / Ask a Physicist" (although the physicist loses out in the domain name: http://www.askamathematician.com). I asked a question about physical limits, and the answer included a reference to my hometown, where this device is installed:

The answer is quite humourous and interesting and can be found here:
http://www.askamathematician.com/?p=1957