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A rebuttal of the EMBLA 2002 report on the optical survey in Hessdalen
On August 2002, a scientific expedition to the Hessdalen valley (Norway) – code-named EMBLA – aimed at investigating on an unidentified atmospheric light-phenomenon, was carried out by the physicsExpand
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A Simultaneous Discovery: The Case of Johannes Stark and Antonino Lo Surdo
In 1913 the German physicist Johannes Stark (1874–1957) and the Italian physicist Antonino Lo Surdo (1880–1949)discovered virtually simultaneously and independently that hydrogen spectral lines areExpand
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Galileo, Measurement of the Velocity of Light, and the Reaction Times
According to the commonly accepted view, Galileo Galilei devised in 1638 an experiment that seemed able to show that the velocity of light is finite. An analysis of archival material shows that twoExpand
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The Discovery of Artificial Radioactivity
We reconstruct Frédéric Joliot and Irène Curie’s discovery of artificial radioactivity in January 1934 based in part on documents preserved in the Joliot–Curie Archives in Paris, France. We argueExpand
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Enrico Fermi’s Discovery of Neutron-Induced Artificial Radioactivity: Neutrons and Neutron Sources
Abstract.We reconstruct and analyze the path leading from James Chadwick’s discovery of the neutron in February 1932 through Frédéric Joliot and Irène Curie’s discovery of artificial radioactivity inExpand
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Particles that take photographs of themselves: The emergence of the triggered cloud chamber technique in early 1930s cosmic-ray physics
One of the major accomplishments of early elementary particle physics research was the development of an apparatus able to efficiently collect photographs of cosmic-ray particles. This accomplishmentExpand
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Frédéric Joliot, Irène Curie and the early history of the positron (1932–33)
As is well known, the positron was discovered in August 1932 by Carl Anderson while studying cloud chamber tracks left by cosmic rays. Far less known is the fact that a few months before Anderson'sExpand
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Branch Duct – IPMN and PanIN, in IgG4‐Autoimmune pancreatitis: A case report
The presence of pancreatic lesions in patients with autoimmune pancreatitis requires histological diagnosis (percutaneous or endoscopic biopsy) to exclude malignancy. A nonspecific histology afterExpand
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Una biografia scientifica
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