MarkWhittington writes: "Another debate has broken out concerning the Chinese space program, the moon, and space as the military high ground. Rep. Bill Posey, R-Fla., was on one side. On the other side is Stephen Smith, a political consultant and space blogger. At question is whether or not the Chinese mean to colonize the moon and to use it as a military high ground."
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?"