Beer can solar heating.....

[Mugwump]

http://www.treehugger.com/solar-technology/how-build-diy-solar-air-heater-old-soda-cans.html

[sschind]

I started making one of those gizmos about a dozen times but by the time I drank all the beer to get the cans I was too drunk to put the damn thing together.

[Mugwump]

I started making one of hose gizmos about a dozen times but by the time I drank all the beer to get the cans I was too drunk to put the damn thing together.

LOL.......