Archimedes. Why in the first place was the ancient Greek scientist? First of all, because he is one of the greatest mathematicians of all times, close he came to the calculation of the number of "PI". Today all students and students of the daily study and enjoy the discoveries of the Greek. Also Archimedes was famous for the invention of many useful machines. Among these are the siege guns, and mirrors, поджигающие sails on the Roman ships by focusing sunlight. Archimedes made the first theorist of mechanics. For example, he presented the complete theory of the lever, applying it in practice. Also, scientists have developed a Archimedes screw (screw), with the help of which вычерпывается water and the present day. The primacy of the inventor of merit - all of it was opened more than two thousand years ago, when there were no computers, no technology available today, the inventors. Archimedes, perhaps, he studied in the libraries of Alexandria, but most of his knowledge was acquired independently.
I learn English. It is so interesting and important for me. It helps me to understand my friends from other countries. I have friends from USA. We communicate at social networks. Sometimes I can't remember new english words. I can give you a few advices: you should be hard-working and you must do your homework .
Я изучаю английский. Это очень интересно и важно для меня. Это мне понимать моих друзей из других стран. У меня есть друзья из США. Мы общаемся в соц. сетях . Иногда я не могу запомнить английские слова. Я могу дать вам несколько советов: надо быть трудолюбивым и надо делать домашнее задание.
