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Pres. Obama and his wife were having a discussion about the world's greatest invention. The President took the position that fire was the greatest invention, because so much in modern society is all predicated on the invention of fire. The cooking of meals, heating of homes, the combustion engine, modern automobiles, airplanes, and rockets that have allowed us to travel to the moon and explore the universe all flow from the original invention of fire.
Mrs. Obama disagreed strongly. She said that fire was just a discovery and not an invention at all. She believed that the greatest invention was the telephone. More specifically, she believed that the use of electronics in communication was the world's greatest invention. This may have started with the phone, but the basic concept would later lead to radio, television, computers, the internet and an entire world connected to one another through electronic communication. The phone was the greatest invention.
About this time VP Biden walked into the office and heard their discussion, and then he said, "I think it's the thermos. It keeps hot stuff hot and cold stuff cold. How does it know? How does it know?"
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