Sunlight can be used to produce steam SOLAR EVACUATED TUBE VACUUM TUBES SUN SOLAR BOILER

55 Views
Published
http://greenpowerscience.com/VACUUMTUBE1.php
This is a Vacuum tube designed to heat water. It holds about 25 oz. and takes 3 hours to reach a boil with only the sun and a flat mirror.
Be the first to comment