Quantcast

Latest Codex Leicester Stories

91574698a63be7ac047645f340fd0a811
2005-10-05 07:00:00

Five hundred years ago, Leonardo Da Vinci solved an ancient astronomical riddle: the mystery of Earthshine. NASA -- When you think of Leonardo Da Vinci, you probably think of the Mona Lisa or 16th-century submarines or, maybe, a certain suspenseful novel. That's old school. From now on, think of the Moon. Little-known to most, one of Leonardo's finest works is not a painting or an invention, but rather something from astronomy: He solved the ancient riddle of Earthshine. You can see...


Word of the Day
negawatt
  • A unit of saved energy.
Coined by Amory Lovins, chairman of the Rocky Mountain Institute as a contraction of negative watt on the model of similar compounds like megawatt.