soldier, a sailor and an airman were sitting together having a beer and
they begin to discuss the greatest technological inventions of the modern
"It is the laser," said the soldier, an man of obviously
superior intellect. "The laser, because with it, you can determine
the precise range to an enemy target, you can use it to gather important
telemetry information and you can even use it for photography that is
"No," interjected the sailor, also an intelligent person,
but obviously standing in the shadow of the soldier's phenomenal mind.
"It is radar. With radar you can track incoming aircraft and missiles,
you can determine the speed of the particular vehicles that are approaching
your ship and, if you use it right, you can even heat your lunch."
"I disagree," said the airman, a man of, well he's an
airman and all airmen are borne out of a diminishing gene pool. "The
greatest invention is the thermos."
"The thermos?!!?" exclaimed the other two.
"Yup, a thermos," he said. "I mean, jus' think about
it. If you want something hot you put hot stuff in it. If you want cold,
you put cold stuff in it."
"Yeah, so?" quizzed the other two.
"Well," said the airman, "How does it know?"