One of the most interesting aspects of this talk is the display of the solar unit which looks a little bit like Unity/ (towards the end).
Bill Gross on new energy
The advancement of solar power coupled with the Stirling engine is a step toward self sufficiency.
I can’t help but notice that the solar collector displayed in the above video has a distinct similarity to the Unity device as displayed in the previous blog, Gwandau’s FFM Focus Finder.