Science Europe
The growth of spaceflight in the second half of the century allowed the primary astronomical measurements carried out on or near other objects in area, together with six crewed landings on the Moon. Space telescopes lead t o numerous discoveries in astronomy a nd cosmology. Albert Einstein's concept of relativity and the development of quantum mechanics led to the alternative of classical mechanics with a brand new physics which incorporates two parts that describe several sorts of events in nature. By the eleventh century, most of Europe had become Christian; stronger monarchies emerged; borders had been restored; technological developments and agricultural improvements were made which increased the food provide and population. “Play,” wrote the German theorist Carl Diem, “is purposeless activity, for its own sake, the other of work.” Humans work as a end result of they should; they play as a end result of they need to. Recalcitrant youngsters compelled by their parents or acad