středa 30. listopadu 2011

Video with homemade solar vacuum tubes

Hi, I have just found one really cool (hot) video with solar vacuum tubes. It is something really amazing, beecause this guy has created his own solar vacuum tube system with old beer bottles. Check out the video here.

1 komentář:

  1. Thanks for the post. If you need help with american solar direct then this company is for you.

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