Let It Shine: Making Fire from the Sun

Chinese archaeologists have recently found the oldest solar device – a bronze concave mirror – capable of almost instantaneously making fire from sunlight.

Let It Shine: Solar Design in Ancient Greece

Never in the history of the world has there been such a high-ranking member of society to advocate passive solar design than Socrates. He felt so strongly for building with the sun in mind that he even set up a class to teach his acolytes how the finer points of putting up a passive solar house.