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Konstantin Eduardovich TsiolkovskyDied 19 Sep 1935 at age 78 (born 17 Sep 1857). Russian pioneer space theorist who, while a provincial Russian schoolteacher, worked out many of the principles of space travel. In 1883, he noted that a vehicle in space would travel in the opposite direction to gas that it emitted, and was the first to seriously propose this method propulsion in space travel. He wrote various papers, including the 1903 article “Exploration of Space with Reactive Devices.” The engineering equations he derived included parameters such as specific impulse, thrust coefficient and area ratio. He established that the most efficient chemical combination would be that of liquid hydrogen and liquid oxygen. He was later recognized by the Soviet Union as the “father of cosmonautics.” He also built the first wind tunnel.«
Three little ducks
Three little ducks go into a bar.
"Hello, what's your name?" the bartender asks the first duck.
"Huey," he replies.
"How's your day been, Huey?" the bartender asks.
"Great. Lovely day. Had a ball. Been in and out of puddles all day. What else could a duck want?" smiles Huey.
"That's nice," says the bartender, turning to the second duck. "Hi, and what's your name?"
"Dewey," comes the answer from duck number two.
"So how's your day been, Dewey?" asks the bartender.
"Great. I've had a ball, too. Been in and out of puddles all day, as well. What more could a duck want?"
The barman turns to the third duck and says: "So, you must be Louie?"
"No," she says, batting her eyelashes. "My name is Puddles."