Originally posted by citizen smith
A solar-thermal design unsing recycled fridge components
(unfortunately I can't remember the original source for the image but will cite a credit where due when I can)
The thermal-capacity could also be increased by fixing a series of cheap plastic fresnel lenses onto the glass sheet to focus hotspots onto the
water-pipes
[edit on 27-2-2008 by citizen smith]

You do realize that design is for making water hot (ish), not for making electricity, right? Infact the design requires electrical power to run the
water pump.