Beiträge zur Physik und Chemie des 20. Jahrhunderts
Lise Meitner Otto Hahn Max von Laue zum 80. Geburtstag
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Article
The epistemological status of the chemical concept of element
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Book
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Article
[Book Reviews]
Irradiation Colours and Luminescence
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Article
Avogadro's Number and Loschmidt's Number
IN his Rutherford Memorial Lecture1 Sir Charles Darwin writes: “The first estimate of Avogadro's number is due to Maxwell himself”, and expresses his astonishment that Maxwell “should have published a fact of suc...
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Article
Diskusionsbemerkung zu dem Vortrag von W. Walcher
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Article
Geological Records of Radioactive Events
Nuclear Geology
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Article
Extension of Microchemistry
Handbuch der Mikrochemischen Methoden
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Article
Origin and Age of Meteorites
IN his recent article under this title1, Prof. H. C. Urey says: “While the excellent studies of Paneth and his co-workers are most interesting because of the facts which they present about the formation of meteor...
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Article
A New Periodic Table
A New Periodic Table of the Elements Based on the Structure of the Atom
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Article
Goethe's Scientific Background
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Article
Das Alter von Eisenmeteoriten
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Article
Production by Cosmic Rays of Helium-3 in Meteorites
THE helium content of iron meteorites varies from less than 10−9 c.c. to 4 × 10−5 c.c. per gm.1. Since their uranium and thorium content is fairly constant, this variation was considered as an indication of their...
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Article
Chemistry's Debt to Radioactivity
Radioactivity applied to Chemistry
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Article
Meteorites and Cosmic Rays
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Article
Radiochemical Studies on Free Radicals
WHEN the first attempt was made to determine the coefficient of accommodation of free organic radicals, a ‘guard mirror’ of lead was placed in front of a second mirror; by gradually reducing the length of the ...
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Article
Tracer Technique
Radioactive Tracer Techniques
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Article
Classical Radioactivity and its Sequence
The Story of Atomic Energy
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Article
Thomas Wright's “Original Theory” of the Milky Way
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Article
Prof. Stefan Meyer
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Article
Geological Age of Meteorites
IN a recently published survey of radiochemical and astronomical results on the age of the universe, the late Prof. R. C. Tolman1 referred to the “surprisingly wide range of values” found by us2 for the dates of ...
