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Sandip Buddhawar

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Louis Essen

Died 24 Aug 1997 at age 88 (born 6 Sep 1908).English physicist who invented the quartz crystal ring clock and the first practical atomic clock. These devices were capable of measuring time more accurately than any previous clocks. He built a cesium-beam atomic clock, a device that ultimately changed the way time is measured. Each chemical element and compound absorbs and emits electromagnetic radiation at its own characteristic frequencies. These resonances are inherently stable over time and space. The cesium atom's natural frequency was formally recognized as the new international unit of time in 1967: the second was defined as exactly 9,192,631,770 oscillations or cycles of the cesium atom's resonant frequency, replacing the old second defined in terms of the Earth's motion.

Once there was a little boy th...

Once there was a little boy that lived in the country. They had to use an outhouse, and the little boy hated it because it was hot in the summer and cold in the winter and stank all the time.The outhouse was sitting on the bank of a creek and the boy determined that one day he would push that outhouse into the creek. One day after a spring rain, the creek was swollen so the little boy decided today was the day to push the outhouse into the creek. So he got a large stick and started pushing. Finally,the outhouse toppled into the creek and floated away. That night his dad told him they were going to the woodshed after supper.Knowing that meant a spanking, the little boy asked why.
The dad replied, "Someone pushed the outhouse into the creek today.It was you, wasn't it son?"
The boy answered yes. Then he thought a moment and said, "Dad, I read in school today that George Washington chopped down a cherry tree and didn't get into trouble because he told the truth."
The dad replied, "Well, son, George Washington's father wasn't in the cherry tree."
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