coondoggie writes: "NASA today said it wants to gage industry interest in the agency holding one of its patented Centennial Challenges to build the next cool unmanned aircraft. NASA said it is planning this Challenge in collaboration with the Federal Aviation Administration and the Air Force Research Lab, with NASA providing the prize purse of up to $1.5 million."
Today's scientific question is: What in the world is electricity?
And where does it go after it leaves the toaster?
-- Dave Barry, "What is Electricity?"