Posted by Andare on June 28, 1997 at 11:57:08:
A Mathematician, a Biologist and a Physicist are sitting in a street cafe watching people going in and coming out of the house on the other side of the street.
First they see two people going into the house.
After a while they notice three persons coming out of the house.
The Physicist says: "The measurement wasn't accurate.". The