bashair2019

                                               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...

Introduction                                                                 We do not deny that the discovery of optical fibers is considered a miracle in the field of communications, and the credit for that goes to the scientist "Graham Bell" a century ago, as his initial experiments to transmit sound by loading it on a light beam were the first step And it was followed by steps by scientists after him to reach this technology that caused a revolution in the world of communications between people as well as the transfer of information with high quality and for long distances. It is the technology of optical fibers                                                           ...

اليوم سوف نستعرض احدث موديلات لموبايلات بعض الشركات العالميه وسنتطرق الى مواصفاتها وامكانياتها بشئ من التفصيل. * شركة شاومى mi للهواتف الذكيه. - يعتبر الموبايل Redmi Note  9S من احدث اصدارات شركة شاومى mi لعام 2020. *المواصفات: - المعالج  كوالكوم سناب دراجون 720G معالج ثمانى النواه عالى الاداء  التردد ما يصل الى 2.3 جيجا هيرتز المعالج الرسومى 618 Adreno محرك الذكاء الاصطناعى Qualcomm الجيل الخامس تكنولوجيا تصنيع 8nm - البطاريه والشحن 5020mAh يدعم الشحن السريع بقدرة 18w - الشاشه شاشه 6.67 بوصه بتصميم DotDisplay  دقة الشاشه 2400 * 1080 بدقه + FDH - الكاميرا الخلفيه  هى كاميرا رباعيه حيث تتكامل مكوناتها لكى تعطى اعلى درجات الدقه والمثاليه سواء فى التصوير الفتوجرافى او الفيديو وتشمل. كاميرا  بدقة 48 ميجابيكسل بالذكاء الاصطناعى  كاميرا بزاويه واسعه 8 ميجابيكسل كاميرا ماكرو بدقة 5 ميجابيكسل كاميرا عٌمق بدقة 2 ميجا بيكسل - كاميرا اماميه بدقة 16 ميجا بيكسل مدمجه فى الشاشه مزايا التصوير فى الكاميرا الاماميه بانوراما صوره شخ...

                                                                                                                       Introduction - The energy generated from sunlight is considered a renewable energy that is not expected to run out, and is therefore considered one of the most important promising sources that humans can benefit from in a very large way in generating electricity that cannot be dispensed with in many areas such as various industries as well as modern means of transportation that require electricity to operate and even in aspects of human life such as lighting and operating various household appliances that help humans in their daily lives. - Solar energy is also considere...

Introduction It is clear that human ambitions have no specific limit, especially in the field of means of transportation that he uses to move from one place to another to fulfill his interests and needs, as he always seeks to develop his means of transportation to save time and effort and also provide a factor of safety and comfort. We are all fully aware of the stages of development of human transportation, whether at sea (ships), in the air (airplanes) or on land (cars - trains and others). Today we are talking about the latest developments that humans have reached in a means of transportation, which is called the hyperloop in short. The credit for the idea of ​​the hyperloop and its design goes to the engineer "Elon Musk" with his brilliant mind. Who made his idea open source, as he gave global companies the opportunity to develop this idea. Indeed, more than one company entered the development. * What is the hyperloop? - It is a set of tubes that integrate with eac...

                                                                          مقدمه نحن نعلم جيدا ان عالم السيارات ياتى دائما بكل جديد وفى الاونه الاخيره نجد ان هناك تنافس بين شركات السيارات لانتاج سيارات صديقه للبيئه من اهم هذه السيارات هى السيارات الكهربائيه وحديثنا اليوم عن سياره من هذه النوعيه وهى سياره اختباريه ذات محرك كهربائى من انتاج شركة رينو الفرنسيه هذه السياره سميت رينو مورفوز وهى من نوع كروس اوفر مستقبليه كهربائيه وهذه السياره لها القدره على تغيير ابعادعها الحقيقيه حسب طبيعة الاستخدام سواء داخل المدينه او لظروف السفر الطويل . وسوف نتناول كل ما يخص هذه السياره بشئ من التفصيل كما يلى. *التصميم -- تتمتع هذه السياره الاختباريه بتصميم مميز جدا يجمع بين خطوط تصميم سيارات الكوبيه ذات الاربعة ابواب والسيدان , SUV. -- وجود بروزقصير للهيكل من الامام والخلف الى جانب سقف منحنى حيث تستن...

اليوم سوف نستعرض احدث موديلات لموبايلات بعض الشركات العالميه وسنتطرق الى مواصفاتها وامكانياتها بشئ من التفصيل. *شركة سامسونج Samsung - يعتبر الموبايل Galaxy S20 Ultra من احدث اصدارات شركة سامسونج 2020. * المواصفات. -المعالج سرعة وحدة المعالجه المركزيه                                        نوع وحدة المعالجه المركزيه 2.5, 2.73 , 2 جيجا هيرتز                                                       octa-core -  الشاشه الحجم (الشاشه الرئيسيه)                                                    الدقه(الشاشه الرئيسيه) 458.3 مم ("6.2)                      ...

                                                                               Introduction            We find that while we are living our daily lives characterized by monotony and boring routine, there are great innovative minds immersed in designing future smart homes, the purpose of which is to improve home life in a way that provides comfort, luxury and safety for individuals living in these homes, depending on providing smart home devices that have the ability to communicate with humans through various technological means, including receiving these devices by touch, voice or eye print, and also commands can be given to these devices remotely via smart phones from the car or from the person's workplace, which saves time and effort, and all of this ...

                                                                          introduction It is known that wearing jewelry is for the purpose of beautification and adornment, especially for women, and jewelry also reflects the social status and the degree of luxury of life lived by those who own this jewelry in its various shapes and types. But soon, jewelry will have another role that will be employed technologically, which is that this jewelry will perform the same role that mobile phones do in all its dimensions. This jewelry has been called digital jewelry. *The reason that prompted developers to think about using jewelry as mobile phone devices. - We find that the continuous shrinkage of the sizes of the components of electronic devices has helped A picture of a microchip with milli...

                                                                    Introduction A patient with corneal damage due to a congenital deformity, genetic disease or exposure to a corrosive chemical substance is at risk of blindness. One of the available solutions to correct these defects is to transplant a cornea from a donor. In this process, the central part of the natural cornea is removed in a circular manner and then the new cornea is placed and fixed in its place with surgical stitches. The problem here is that the number of donors is much smaller compared to the huge number of people who suffer from corneal blindness, which is estimated in the millions. This has resulted in an endless queue of blind people waiting for corneal donors, who are extremely rare. However, a new and promising hope has appeared on ...

                                                                             Introduction In special cases, a person is exposed to losing one or more limbs. This may happen due to wars or terrorist operations, or he may be exposed to a traffic accident or a work injury... or perhaps due to practicing dangerous sports such as ice skating. The result in the end is the same, which is a person who has lost his arm or leg and is trying to live with what remains of his limbs, resisting the frustration he is exposed to whenever he tries to walk with one foot or use one hand in a job he used to do with both hands. * The extent of the possibility of producing electronic prosthetic limbs similar to human limbs. - Scientists say in this regard that this is not impossible if the necessary funding for re...