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| Properties of Matter |
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| It had taken our species millions of years to build an airplane that flew like a bird. The historic flight of Wright brothers lifted into the air at Kitty Hawk , North Carolina , USA , on December 17, 1903 , at 10:35 A.M. |
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| It was the first time a self-powered airplane, controlled by a human, had flown for any significant amount of time. Amazingly, however, once we had learned how exactly airplanes flew, it took us only fifty years to build a space craft. The credit goes to Daniel Bernoulli, whose seminal work in hydrodynamics enabled Zhukovsky and others to get us off the ground. |
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| Daniel Bernoulli's discovery also led to the invention of Sphygmomanometer, the painless, inflatable Blood pressure measuring device which we are familiar with, by an Italian doctor Scipione Riva - Rocci in 1896.
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| The contributions of great scientists- Archimedes, Robert Boyle, Blaise Pascal, Leonardo da Vinci changed the world we live. Let's understand the laws that govern the behavior of matter in all its states - solids, liquids and gases and their effects on the environment. |
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