The LED Lighting Revolution

The light bulb is a hundred-year-old technology whose time is finally up. This week, we shine a little light on its replacement to find out what makes it such a compelling alternative and look to the next revolution in lighting. Plus, how scientists are turning to robotics to treat heart failure, the death of NASA astronaut and last man on the Moon, Gene Cernan and do you really eat spiders in your are sleep? Like this podcast? Please help us by supporting the Naked Scientists