At 11:58 AM 12/8/2009, M.L. wrote: >Or we will have to harness the solar power that lands on our roofs for >free! When you consider the amount of insolation available on the >average roof, it seems quite ridiculous to ship gas (sometimes >literally) across the world to heat water for a shower. Not here. At least, that is, not right now. Cloudy and -27C outside as I type this. On the other hand, the natural gas that the hot water heater used for my shower this morning probably came from a gas field less than 200 Km away from here. dwayne -- Dwayne Reid Trinity Electronics Systems Ltd Edmonton, AB, CANADA (780) 489-3199 voice (780) 487-6397 fax www.trinity-electronics.com Custom Electronics Design and Manufacturing -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist