02370cam a22003253u 4500 47261 UtSlPG 20260610134103.0 m cr n 260607r2014||||utu|||||o|||||||||||||| d UtSlPG en iso639-1 AP Various The Popular Science Monthly, August, 1900 : Vol. 57, May, 1900 to October, 1900 Salt Lake City, UT : Project Gutenberg, 2014 1 online resource : multiple file formats text txt rdacontent computer c rdamedia online resource cr rdacarrier Release date is 2014-11-01 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.) Original publication data not identified Science -- Periodicals Technology -- Periodicals Cattell, James McKeen, 1860-1944 https://www.gutenberg.org/ebooks/47261 88100 88100