kkleiner writes: What’s the surest sign that robots aspire to be more like humans? They play video games. The Tetris-Bot operates completely without human interference to play games of old school Tetris on a computer. Creator Branislov Kisacanin patched together a webcam, a digital signaling processing board, and some NXT Lego as a fun educational project for his kids.
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?"