знания и навыки

We know the problems of combinatorics, such as the problem of permutations, combinations, placement, represented by the corresponding formulas. But these formulas only give us the number of solutions, not the solutions themselves. There were no commo…

Сборник «Просто сказки», написанный английским писателем Р. Киплингом для его собственных детей, включает занимательные истории-ответы на вопросы детей. Откуда у слонов хобот, почему у леопарда пятнистая шерсть или почему верблюд горбатый, и как появ…

AN OBSERVER BOOK OF THE YEARFrom the acclaimed author of The Information and Chaos, a mind-bending exploration of time travel: its subversive origins, its evolution in literature and science, and its influence on our understanding of time itself.Glei…

Over the past 150—200 years, man has gained immeasurably more knowledge about the properties of nature and has created significantly more technology than in all previous millennia. It is quite natural that as a result of this, our world is now on the…