Sun Bricks are self-contained solar-powered outdoor nightlights that use amber colored LEDs to illuminate walkways. They cost $60 each. Link (Via Popgadget)
Mark Frauenfelder is the founder of Boing Boing and the editor-in-chief of MAKE and Cool Tools. Twitter: @frauenfelder. Come and hear Mark speak at the ALA conference in Chicago on July 1.