{'fraction_non_alphanumeric': 0.027559055118110236, 'fraction_numerical': 0.07086614173228346, 'mean_word_length': 5.132530120481928, 'pattern_counts': {'":': 0, '<': 0, '<?xml version=': 0, '>': 0, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
Discoveries that Changed the World, 1932–1942: James Chadwick and Lise Meitner

Although the birth of quantum mechanics and relativity are rightly hailed as the greatest achievements in physics of the 20th century, the 10 years between 1932 and 1942 witnessed a new understanding in the structure of the nucleus that had, and still has, momentous consequences for mankind. This article gives a short account of those years as seen through the lives of James Chadwick (1891–1974) and Lise Meitner (1878–1968).