Which are you?
A group of boys are lined up on one wall of a dance hall, and an equal
number of girls are lined up on the opposite wall. Both groups are
instructed to advance toward each other by one quarter the distance
separating them every ten seconds. When do they meet at the center of
the dance hall? A mathematician says they will never actually meet
because the series is infinite. A physicist says they will meet when
time equals infinity. An engineer says that within one minute they will
be close enough for all practical purposes.
From Wolfram
"Almost" Good Answers: