(Attitude + Tutor = Attitutor)
Mission: Enthusiastic human beings living passionate lives in a joyful society.
My name is Don Berg. I am a deeper learning advocate, author, and teacherpreneur (entrepreneurial teacher).
08 January 2011
Solar Daytime Heating for Free
Here's a video about Cansolair heating panels, which one person says cost him about $2500.
[I previously had other links but they went dead.]
Hat tip to Wimp.com