bashair2019

                                                               introduction What a pyramid there is because it is considered one of the Seven Wonders of the World... but this is because itIt's not just the shape of the pyramid, its length, or its size that confuses people. And he let them die and knew his secrets.. in need Another important thing is that you know it so that you know the extent of the strength and genius of the ancient Egyptians.     *Houses of genius in building the Great Pyramid (Khufu)*   One stone in the pyramid weighs between 2 and 15 tons*                   The number of pyramid stones is about 2 million. 600 thousand stones* The height of the pyramid is 149.4 A skyscraper about 48 floors* The weight of the granite stone in the ceiling of the ...

                                * introduction *      Elon Musk's success story: From selling video games to conquering space Elon Musk is a brilliant name in the world of business and technology. His journey was not easy, but rather full of challenges and turns, but with his persistence and determination he was able to achieve great achievements that changed the concept of the modern world.              *Elon Musk's childhood* Early Childhood Musk was born on June 28, 1971 in Pretoria, Transvaal, South Africa, the son of May Musk (before Halde Mann), a model and nutritionist from Regina, Saskatchewan, Canada, and Errol Musk, a South African electromechanical engineer, pilot and sailor. Elon has a younger brother named Kimbal (born in 1972) and a younger sister named Tosca (born in 1974).            *Elon Musk and education* Whe...

                                                                                                                                introduction    Tesla, or Tesla Motors as it was previously called, is an American company that specializes in manufacturing electric cars and energy systems. As for its headquarters, Tesla is located in the city of Palo Alto in the American state of California. In addition to electric cars, Tesla produces panels that generate electricity from solar energy through its subsidiary “Solar City.” Several factories and production lines are under Tesla’s ownership, the most important of which is the “Gigafactory” factory in Nevada, while its m...

                                                                    introduction Nikola Tesla was an American inventor, engineer, mechanical scientist, and physicist. He had inventions that contributed to the development of the field of electrical energy, especially alternating current. The international unit for measuring magnetic field intensity was given his name in his honor. Who is Nikola Tesla? The engineer and physicist Nikola Tesla was born on July 10, 1856 AD in Croatia. His origins go back to both America and Serbia. He was a genius inventor and one of the most prominent scientists of his time. He is credited with what modern science has achieved in terms of development in the field of production and electrical energy transmission because of his great achievements and contributions in This field, and Tesla w...

                                               المقدمه   فى هذه المقاله سوف نعرض لكم معلومات مبسطه فى العلوم والاختراعات على شكل سؤال وسوف يتم الاجابه عليه فى نفس المقاله والهدف من ذلك هو شد الانتباه نحو المعلومه المراد توصيلها للقارئ وبشكل سلس ومفهوم لتكون الاستفاده عامه. والمطلوب من القارئ هو التفكير فى اجابة السؤال قبل النظر الى الاجابه والهدف من ذلك هو اعطاء فرصه للقارئ لتقييم نفسه فيما يتعلق بمدى المامه بالمعلومات . س1 : من هو مخترع آلة التليفون . ومتى اجريت اول مكالمه تليفونيه ؟ فى عام 1874 قال العالم " جراهام بل " لو امكننى جعل تيار الكهرباء يختلف فى القوه مثلما يختلف الهواء فى الكثافه اثناء توليد الصوت ساكون قادر على نقل الحديث تلغرافيا. وبعد ذلك بعامين اى فى عام 1876 نجح " جراهام بل " فى نقل الصوت وفقا لهذه الفكره من خلال ابتكاره لآلة التليفون . - وفى 10 مارس من نفس العام (1876) اجريت اول مكالمه تليفونيه فى التاريخ واجراها ا...