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Discusses Hahn’s contributions to science and his reflections of scientific and social responsibility. The author concludes that Hahn’s ideas can still serve as a foundation for responsible and moral actions by scientists.
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 pre...
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Traces the life of Jewish physicist Lise Meitner, who had to flee Nazi Germany, codiscovered nuclear fission with Otto Hahn and Fritz Strassmann, but was denied recognition when the work received a Nobel Prize.
From April through December of 1945, ten of Nazi Germany's greatest nuclear physicists were detained by Allied military and intelligence services in a kind of gilded cage at Farm Hall, an English country manor near Cambridge. The physicists knew the Reich had failed to develop an atomic bomb, and they soon learned, from a BBC radio report on August 6, that the Allies had succeeded in their own efforts to create such a weapon. But what they did not know was that many of their meetings and private conversations were being monitored and recorded by British agents. This book contains the complete collection of transcripts that were made from these secret recordings, providing an unprecedented view of how the German scientists, including two Nobel Laureates, thought and spoke about their roles during the war.
Profiles German chemist Otto Hahn, whose research into radioactivity led to the discovery of nuclear fission and, despite his opposition, to the development of the atomic bomb.
A "mesmerizing" re-imagination of the final months of World War II (Kate Quinn, author of The Alice Network), Hannah's War is an unforgettable love story about an exceptional woman and the dangerous power of her greatest discovery. Berlin, 1938. Groundbreaking physicist Dr. Hannah Weiss is on the verge of the greatest discovery of the 20th century: splitting the atom. She understands that the energy released by her discovery can power entire cities or destroy them. Hannah believes the weapon's creation will secure an end to future wars, but as a Jewish woman living under the harsh rule of the Third Reich, her research is belittled, overlooked, and eventually stolen by her German colleagues. ...
The book describes how Lisa Meitner, of Jewish heritage, found herself working as a physicist at the Kaiser Wilhelm Institute in Berlin when the Nazis came to power in 1933; how she was hounded out of the country and forced to relocate to Sweden; how German chemists Otto Hahn and Fritz Strassman continued with the project - on the effect of bombarding uranium (the heaviest known element at the time) with neutrons, a project which Lise herself had initiated, being the intellectual leader of the group. It describes how Hahn and Strassmann, with whom she kept in touch, came up with some extraordinary results which they were at a loss to explain; how Lise, and her nephew Otto Frisch, who was als...
Radioactivity: Introduction and History provides an introduction to radioactivity from natural and artificial sources on earth and radiation of cosmic origins. This book answers many questions for the student, teacher, and practitioner as to the origins, properties, detection and measurement, and applications of radioactivity. Written at a level that most students and teachers can appreciate, it includes many calculations that students and teachers may use in class work. Radioactivity: Introduction and History also serves as a refresher for experienced practitioners who use radioactive sources in his or her field of work. Also included are historical accounts of the lives and major achieveme...