http://blog.hemmings.com/index.php/2007/04/26/almost-free-garage-heat-just-drink-a-lot-of-soda
For all its faff, every once in a while, the Internet reminds me that I’m not actually as smart as I think. If I was, I would’ve been able to come up with such genius ideas as this pop-can solar heater. Warming up the garage, one insulin spike at a time…