Download The Philosophy of Space and Time by Hans Reichenbach PDF

By Hans Reichenbach

A brilliantly transparent and penetrating exposition of advancements in actual technological know-how and arithmetic caused by means of the appearance of non-Euclidean geometries, together with in-depth assurance of the rules of geometry, the speculation of time, Einstein's conception of relativity and its effects, different key issues.

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The United States now had nuclear weapons. It also had long-range aircraft capable of reaching many cities in the Soviet Union. Stalin ordered his scientists, led by Igor Kurchatov, to develop an atomic bomb. They followed the American design, which had been obtained through spies. Stalin also ordered Sergei Korolev and Valentin Glushko to improve on the V-2. They were the Soviet Union’s leading rocket designers. Stalin wanted a rocket that could carry a nuclear weapon from the Soviet Union to the United States.

S. military and others; however, NASA was soon banned from using the shuttles to carry commercial cargo. The Defense Department announced that it would launch its expensive surveillance satellites by disposable rockets (with proven records of reliability) rather than on the shuttle. The shuttles were clearly not a moneymaking business. Other problems with the original plan to convert the shuttles into a regular “truckline to space” soon developed. The first concepts called for as many as 50 visits to outer space every year.

Americans often referred to this achievement when they faced challenges in future decades. “If we can land a man on the moon, why can’t we . ” (finishing with such ideas as “end poverty,” “find a cure for cancer,” or “clean up the environment”). Of course, many problems were not as easily addressed by technology and money. Still, Kennedy’s challenge represented a can-do attitude. An important by-product of the Moon race was the Outer Space Treaty signed in 1967. The treaty reduced the arms incentive for space exploration and made the focus of space exploration truly scientific.

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