from the try-not-to-shed-too-many-tears dept.
netbuzz writes "The law of unintended consequences is taking a chomp out of grocery chain profits as more stores transition from human clerks to self-service checkout technology, thus reducing the time shoppers spend in line and under the temptation of impulse items. That's the upshot of research being released tomorrow by IHL Consulting Group in Franklin, Tenn., which provides market analysis to the retail industry and its IT vendors."
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?"