By Michael Drieschner
This ebook provides a set of texts by means of the German physicist and thinker Carl Friedrich von Weizsäcker (1912-2007), to be used in seminars at the background, epistemology and constitution of physics. so much texts look in English for the 1st time. Weizsäcker turned well-known via his works in physics, in most cases within the early improvement of nuclear physics. Later he could additionally develop into renowned as a thinker and analyst of up to date tradition. Texts comprise the unique guides of the “Weizsäcker-Bethe formulation” of nuclear plenty and the “Bethe-Weizsäcker cycle,” and is the reason the resource of strength within the sunlight; either have been constructed by means of Bethe while and independently of Weizsäcker. additional texts care for Weizsäcker’s rationalization of the beginning of planets, his clarification of the “time arrow” in Statistical Mechanics and his analyses of Quantum Mechanics and the constitution of physics in general.
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Extra info for Carl Friedrich von Weizsäcker: Major Texts in Physics
The latter temperature could be, according to its value calculated above, about the temperature at which the formation of neutrons out of free protons and electrons stops. How can these notions be tested further, now? On the practical side, above all, more precise knowledge about mass defects of many series of isotopes in the manner of the oxygen isotope applied above would be desirable, which would make possible further quantitative applications of Eq. 1). From theory one can ask for verifiable postulates about when and where in the history of the cosmos the required temperatures and densities could have been realized.
We are vexed by the barriers that are raised to separate the various disciplines from one another. Specialized science is powerless to give us a world-view that could sustain us in the confusion of our existence. And so we are longing for synthesis, searching for the point of vantage from which to gain perspective.
The Milky Way system is also rotating as a whole but in a way that the inner parts travel faster than the outer ones. Strong turbulent inner motion had to form in it, too, as a consequence of the differences in motion. This motion caused the matter not to sink evenly from all sides into the forming Sun; rather in the process hefty sideways motions occurred at the same time. These motions may have been randomly distributed. On average they would then not have cancelled themselves out completely, instead a resultant rotational motion must have remained in some unpredictable direction.