SolSource Review Part I: Assembly
...sun’s rays are directed beneath a pot/frying pan support, so that all the cooking heat is focused on a single spot at the bottom of the cooking pot or pan. A small mirror in the center of the assembly helps you keep the light focused in the correct place. You refocus the sunlight by rotating the whole assembly, which move easily on two separate axes. https://www.youtube.com/watch?v=aqj_-AIBc_A I have assembled and disassembled the SolSource twice...