The Flying Oven

The flying oven

That is how they call it, and they ask me what I think of it. Honestly, I have no clue.

“This research project proves a new and novel method of winter solar heat gathering. Based on February to December 2008 UK tests, a solarsphere of this type can produce enough heat to make a well insulated house self sufficient in both space heating and hot water.”

Cleantech

An overview of hazardous materials used in solar PV cell production. Via Treehugger.