The book "Popular Scientific Monthly, October 1900, Volume 57, May 1900 - October 1900" is a collection of interesting articles from various scientific fields. In this edition you will find articles on physics, chemistry, biology, psychology, astronomy and other sciences. The authors of these interesting materials are various scientists and experts from the world scientific community. The publication is dated October 1900 and contains discoveries and research relevant for that time. This book will be a useful and fascinating source of information for anyone interested in science and its achievements in the early 20th century.