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Name                     : Naila Putri Atifa 

Class                      : X MIPA 4 SEMESTER 

Student Number    : 07




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Biography of Karl Freiherr von Drais

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by: Farih Baitissarifah (X 4 SEMESTER MIPA / 03)  Karl Freiherr von Drais (born on 29 April 1785 in Karlsruhe – died on 10 December 1851 in Karlsruhe as well) was a German forest official and significant inventor in the Biedermeier period. Drais was a prolific inventor, who invented the Laufmaschine (“running machine”), also later called the Velocipede, Draisine (English) or draisienne (French), also nicknamed “the hobby horse” or “dandy horse”. This was his most popular and widely recognized invention. It incorporated the two-wheeler principle that is basic to the bicycle and motorcycle and was the beginning of mechanized personal transport. Karl von Drais on his original Laufmaschine, the earliest two-wheeler, in 1819  This was the earliest form of a bicycle, without pedals. His first reported ride from Mannheim to the “Schwetzinger Relaishaus” (a coaching inn, located in “Rheinau”, today a district of Mannheim) took place on 12 June 1817 using Baden’s best road. Karl rode his
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Biography of Nikola Tesla

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Kalyca Naura Auni X MIPA 4 SMT 05 Biography of Nikola Tesla Nikola Tesla was an engineer and scientist known for designing the alternating-current (AC) electric system, which is the predominant electrical system used across the world today. He also created the "Tesla coil," which is still used in radio technology. Born in modern-day Croatia, Tesla came to the United States in 1884 and briefly worked with Thomas Edison before the two parted ways. He sold several patent rights, including those to his AC machinery, to George Westinghouse. Tesla was born in Smiljan, Croatia, on July 10, 1856. Tesla was one of five children, including siblings Dane, Angelina, Milka and Marica. Tesla's interest in electrical invention was spurred by his mother, Djuka Mandic, who invented small household appliances in her spare time while her son was growing up. Tesla's father, Milutin Tesla, was a Serbian orthodox priest and a writer, and he pushed for his son to join the priesthood. But Ni
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Hania Ellaristiani - The Scientist ( Coldplay )

  Hania Ellaristiani X IPS 4Smt/04 The Scientists - Coldplay. It begins with a story about a man who left his woman, or has hurt her. He knows he has made a mistake, he is sorry and wants to meet his woman to apologize sincerely, because he knows she is the only one he needs. He wanted her to tell him what he'd been keeping to himself-tell me your secrets, and ask him any questions he had-and ask me your questions, so that he could answer and explain everything, hoping that they could try to start over again from the beginning. They are stuck in a situation where they always experience the same thing (problem)-running in circles, causing misunderstandings because they often draw their own conclusions, in the sense that they never succeed in solving problems thoroughly. In a relationship, maintaining is not an easy thing, especially in this case it is told that they are stuck in a bad situation, and for him separating is not the right choice. When regret comes, we often wish we coul
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