Quince alPillan writes: Announcing what it calls "the first cyber bug bounty program in the history of the federal government," the Department of Defense says it's inviting vetted hackers to test the security of its web pages and networks. Vetted hackers will need to pass a background check and will be attacking a predetermined system that is not a part of critical operations. This program is being put together by the Digital Defense Service, launched last fall.
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?"