cool solar upgrade

[Roadscholar]

Hi folks

found this while web surfing. Let me know what you think.

http://www.motherearthnews.com/Renewable-Energy/1976-05-01/The-Hot-Line-Solar-Collector.aspx


Roadscholar

[Cy]

Definitely a cool article. I noticed the article was dated 1976. I wonder if the invention ever panned out.