http://www.instructables.com/id/Electric...om-Coffee/
EXCERPT: Using a Peltier module found in a common 12 volt travel cooler, you can generate electricity via the heat given off by a hot cup of coffee. Follow the video instructions to generate free electricity from any hot liquid....
EXCERPT: Using a Peltier module found in a common 12 volt travel cooler, you can generate electricity via the heat given off by a hot cup of coffee. Follow the video instructions to generate free electricity from any hot liquid....