The Stirling engine's time has finally come! :) https://www.youtube.com/watch?v=EahfGfDdgNY https://www.youtube.com/watch?v=EahfGfDdgNY Not really, but it's a

The Stirling engine's time has finally come! :) https://www.youtube.com/watch?v=EahfGfDdgNY https://www.youtube.com/watch?v=EahfGfDdgNY Not really, but it's a neat alternative for turning solar energy into mechanical power. Achievable (at grossly inefficient power outputs) by the hobbyist without expensive tools or nasty chemicals. Much easier to recycle at the end of a system's useful life.