Interesting project where the sun will heat up a pipe and let the hot air back out to the user. Maybe a good experiment with kids.
http://www.instructables.com/id/Our-Hot-Box-Solar-Collector/?ALLSTEPS
Interesting project where the sun will heat up a pipe and let the hot air back out to the user. Maybe a good experiment with kids.
http://www.instructables.com/id/Our-Hot-Box-Solar-Collector/?ALLSTEPS