Trends in atomic physics; essays dedicated to Lise Meitner, Otto Hahn PDF Download

Author: Otto Robert Frisch
Publisher:
ISBN:
Category : Hahn, Otto, 1879-
Languages : en
Pages :

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Author: Otto Robert Frisch
Publisher:
ISBN:
Category :
Languages : en
Pages : 0

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Author: Otto Robert Frisch
Publisher:
ISBN:
Category :
Languages : de
Pages : 0

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Author: W. R. Shea
Publisher: Springer
ISBN: 9789400971356
Category : History
Languages : en
Pages : 254

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and less as the emanation unden\'ent radioactive decay, and it became motion less after about 30 seconds. Since this process was occurring very rapidly, Hahn and Sackur marked the position of the pointer on a scale with pencil marks. As a timing device they used a metronome that beat out intervals of approximately 1. 3 seconds. This simple method enabled them to determine that the half-life of the emanations of actinium and emanium were the same. Although Giesel's measurements had been more precise than Debierne's, the name of actinium was retained since Debierne had made the discovery first. Hahn now returned to his sample of barium chloride. He soon conjectured that the radium-enriched preparations must harbor another radioactive sub stance. The liquids resulting from fractional crystallization, which were sup posed to contain radium only, produced two kinds of emanation. One was the long-lived emanation of radium, the other had a short life similar to the emanation produced by thorium. Hahn tried to separate this substance by adding some iron to the solutions that should have been free of radium, but to no avail. Later the reason for his failure became apparent. The element that emitted the thorium emanation was constantly replenished by the ele ment believed to be radium. Hahn succeeded in enriching a preparation until it was more than 100,000 times as intensive in its radiation as the same quantity of thorium.

Author: Klaus Hoffmann
Publisher: Springer Science & Business Media
ISBN: 9780387950570
Category : History
Languages : en
Pages : 292

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Otto Hahn received a Nobel Prize in 1944 for his work in Germany on atomic fission but ironically, after WWII he became an outspoken opponent of nuclear proliferation and an advocate of social responsibility among scientists. This invaluable account of the life and times of Otto Hahn discusses his contributions as one of the fathers of the Nuclear Age and reflects on his view of scientific and social responsibility. The book concludes with Hahn's ideas, which serve as a foundation for responsible and moral actions by scientists.

Author: Deborah Crawford
Publisher:
ISBN:
Category : Scientists
Languages : en
Pages : 198

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A biography of the Austrian scientist whose discoveries in nuclear physics played a major part in developing atomic energy.

Author: Armin Hermann
Publisher:
ISBN:
Category :
Languages : de
Pages : 175

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Author: Niels Henrik David 1885-1962 Bohr
Publisher: Hassell Street Press
ISBN: 9781014910646
Category :
Languages : en
Pages : 120

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This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. To ensure a quality reading experience, this work has been proofread and republished using a format that seamlessly blends the original graphical elements with text in an easy-to-read typeface. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

Author: John Bankston
Publisher:
ISBN: 9781584152064
Category : Nuclear fission
Languages : en
Pages : 0

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A biography of the twentieth-century Austrian scientist who, despite facing discrimination as a Jew and a female, made discoveries in nuclear physics which played a major part in the development of atomic energy.

Author: Patricia Rife
Publisher: Birkhäuser
ISBN: 9780817637323
Category : Science
Languages : en
Pages : 432

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In this fascinating biography, Patricia Rife interprets both the life and times of Lise Meitner (1878–1968), providing a rich background of the scientific discoveries and social milieu that affected the research, events, personalities, and politics of 20th century quantum physics. Rife asks the central question of why, given the priority evidence of Meitner's role in the interpretation of nuclear fission, was she too not awarded the Nobel Prize?