Solar Beams

Abstraction: solar waterheater

Again: Geometrical Study of a Solar Water Heater

Abstract 9

Geometrical Study of a Solar Panel

Solar Powered Light the Natural Way

Hibiscus

Just next to our gate is a white flowering hibiscus. Virtually the whole day in the shade. We lighted it a bit with a solar powered (blueish) LED-light last night. And this is the effect: