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20112022
most citedThe Source of Solar Energy, ca. 1840-1910: From Meteoric Hypothesis to Radioactive Speculations

31 citations · 144 across the 35 of their papers we have counts for

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Showing 2012Show all

9 papers · 1 filter

physics.hist-ph2012★ 2 cited

Cosmology and Science Education: Problems and Promises

Helge Kragh

Cosmology differs in some respects significantly from other sciences, primarily because of its intimate association with issues of a conceptual and philosophical nature. Because co…

physics.hist-ph2012

Criteria of Science, Cosmology, and Lessons of History

Helge Kragh

Perhaps more than any other of the physical sciences, cosmology exemplifies the inevitable contact between science and philosophy, including the problem of the demarcation criteria…

physics.hist-ph2012★ 1 cited

Eight Physicists and Astronomers: Biographical Portraits

Helge Kragh

This essay provides concise biographical information about eight physicists, astronomers, astrophysicists, and cosmologists from the twentieth century. The portrayed scientists are…

physics.hist-ph2012

A Note on the Prehistory of Superheavy Elements

Helge Kragh

Artificially produced chemical elements heavier than uranium have been known for more than seventy years and the number of superheavy elements continues to grow. Presently 26 trans…

physics.hist-ph2012★ 1 cited

A Sense of Crisis: Physics in the fin-de-siecle Era

Helge Kragh

Whereas physics in the period from about 1880 to 1910 experienced a steady growth, it was also a revolutionary period in which the foundations of the physical world picture were cr…

physics.hist-ph2012★ 8 cited

Geometry and Astronomy: Pre-Einstein Speculations of Non-Euclidean Space

Helge Kragh

The recognition that physical space (or space-time) is curved is a product of the general theory of relativity, such as dramatically shown by the 1919 solar eclipse measurements. H…