Project Gutenberg 2014-11-01 Public domain in the USA. 191 Various Verschillende Various, Various Cattell, James McKeen 1860 1944 Cattell, J. McKeen (James Mckeen) The Popular Science Monthly, August, 1900 Vol. 57, May, 1900 to October, 1900 Produced by Greg Bergquist, Charlie Howard, and the Online Distributed Proofreading Team at http://www.pgdp.net (This file was produced from images generously made available by The Internet Archive) "The Popular Science Monthly, August, 1900" by Various is a scientific publication written in the late 19th century. This work is a monthly magazine that features articles on various scientific topics, aimed at making complex scientific ideas accessible to a general audience. The publication contains an array of subjects including geological time, sound photography, color psychology, and astronomical discussions, reflecting the scientific thought and discoveries of that era. The opening of this volume begins with G. K. Gilbert's article on "Rhythms and Geologic Time," where he discusses the ongoing quest to understand the age of the Earth. He emphasizes the challenges associated with measuring geologic time, exploring methods ranging from sedimentation rates to the identification of natural rhythms, such as the daily and annual cycles observed on Earth. Gilbert introduces various timekeeping mechanisms, including the pendulum and clepsydra, drawing connections between rhythms in nature and the methods used to conceptualize time in geological contexts, thereby setting the stage for a deeper analysis of Earth's history throughout the publication. (This is an automatically generated summary.) Reading ease score: 54.8 (10th to 12th grade). Somewhat difficult to read. en Science -- Periodicals Technology -- Periodicals AP Text Category: Science - Physics Category: Science - Biology Category: Science - Earth/Agricultural/Farming Category: Encyclopedias/Dictionaries/Reference 351928 2025-07-19T05:43:24.347546 text/html 326726 2024-10-24T12:00:11 text/html 1523121 2025-07-19T05:43:29.933576 application/epub+zip 1525742 2025-07-19T05:43:25.665600 application/epub+zip 163452 2025-07-19T05:43:24.965557 application/epub+zip 1619382 2025-07-19T05:43:33.373556 application/x-mobipocket-ebook 1586982 2025-07-19T05:43:29.310563 application/x-mobipocket-ebook 230204 2022-09-21T12:55:34.628998 application/x-mobipocket-ebook 309301 2025-07-19T05:43:23.785554 text/plain; charset=us-ascii 289359 2024-10-24T12:00:11 text/plain; charset=us-ascii 17962 2025-07-19T05:43:33.517512 application/rdf+xml 7793 2025-07-19T05:43:25.053561 image/jpeg 1726 2025-07-19T05:43:25.007552 image/jpeg 1418913 2025-07-19T05:43:24.455579 application/octet-stream application/zip Archives containing the RDF files for *all* our books can be downloaded at https://book.klll.cc/wiki/Gutenberg:Feeds#The_Complete_Project_Gutenberg_Catalog en.wikipedia