TED Talks
Ted: Ted Ed: Why Aren't We Only Using Solar Power?
Solar power is cheaper and more sustainable than our current coal-fueled power plants, so why haven't we made the switch? The real culprits here are the clouds, which make solar power difficult to control. Alexandros George Charalambides...
Massachusetts Institute of Technology
Mit: Invention of the Week: Thomas Alva Edison
As the inventor of the lightbulb, phonograph, and the printing telegraph, Thomas Alva Edison (1847-1931), improved the daily lives of everyday people.