Instructables

TRASH CAN LID concave death ray solar mirror

video TRASH CAN LID concave death ray solar mirror
This is a newer version of our vacuum parabolic mirror.
Excellent idea! I wonder how painting on a fine coating of acrylic would work to make the mirror a bit more 'permanent.'
GREENPOWERSCIENCE (author)  Transquesta1 year ago
The mylar has a first surface side and a second surface side. The aluminum deposition or the shinier side should go inside. This exposes the mylar to the elements and the aluminum coating to the interior. This is the big one that explains all about the process.

http://www.instructables.com/id/Daniels-Solar-Cooker/