Home-made generation of electrical power

Students at M.I.T. recently demonstrated a thermal solar dish that can be built inexpensively, concentrate sunlight to an amazing level of intensity, and used in almost every country in the world to generate power inexpensively:

http://web.mit.edu/mitei/education/spotlights/solar-dish.html

http://raw-solar.com/technology.html

The idea is quite simple, the materials readily available, and the steam generated with the device can produce electrical power. We'll see if it works in the real world.