GravityLight Introducing GravityLight, an innovative source of light for those in poverty stricken areas where harmful Kerosene lamps are the only thing keeping people out of the dark. No batteries or sunlight are necessary, just gravity! Click to share on Facebook (Opens in new window) Click to share on Twitter (Opens in new window) Click to share on LinkedIn (Opens in new window) Found this useful? Share with Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on LinkedIn (Opens in new window) Related Articles Falcon Heavy Is ComingJibo: The World’s First Social RobotThe Amazing BFR! Follow the blog Enter your email to receive new posts in your inbox