Never a dull moment when screen printing thermocouple electric generators

It's a dream more than a reality, but I am getting ever closer to making something useful. This time I am attempting to convert some of the frames I have reclaimed into electric generators using a thermocouple concept known as the Seebeck effect. The basic concept is that dissimilar metals when connected and exposed to heat can generate electricity. Whaaaaat? My concept is to merge art with science and use my frames at the same time. All I have to do is print the conductive metals so that they can be exposed to heat, sunlight, and then get the contacts and flow arranged in such a way that an electrical current is established. The details will follow, but in the meantime it's one small step for photo-fresco and large step forward for screen printing technology.