Project Gutenberg #72875
The A B C of Atoms
Bertrand Russell
1923Russell's popular explanation of electrons, nuclei, spectra, quanta, and radioactivity as physics stood in the early 1920s.
Project Gutenberg #72875 Public domain in the United States Cover source Local typographic cover created for The Missing Workbook from public-domain source metadata
9
words at B2 or above
A1
A2
B1
B2
C1
C2
C2+
highlighted
at or above your level
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Missing dictionary data: 1 unique word is not in the dictionary data yet. Amber marks show where it appears.
new knowledge may be discovered. The subject is almost as interesting through the possibilities which it suggests as through what has actually been ascertained already; it is impossible to exaggerate the revolutionary effect which it may have both in the practice of industry and in the theory of physics.
[1] A gramme is about one four-hundred-and-fifty-third of a pound.