One of the most exciting things to happen to knowledge is the increasing amount of free information, available to anyone, for any reason. A recent entry into this new market comes from PhysicsDatabase.com.
There are over 150 titles available for free download, covering a range of science-related topics for students, professionals, and amateurs as well. Here are just three of those selections. Find the entire list here!
Are you a student in need of College Physics? Here you go!
College Physics is an “introductory, algebra-based, two-semester college physics book is grounded with real-world examples, illustrations, and explanations to help students grasp key, fundamental physics concepts. College Physics can be can be downloaded now by clicking on the “Get this book” button below. This online, fully editable and customizable title includes learning objectives, concept questions, links to labs and simulations, and ample practice opportunities to solve traditional physics application problems.
Or maybe you are an amateur astronomer and need a reliable, intelligible guide? They have that too!
This is a very simple book on Astronomy written by Cecil Goodrich Julius Dolmage for ordinary reader. As far as possible, he has avoided the complex mathematical formulae and technical terminologies. The concepts are supplemented with illustrations and diagrams wherever possible. The lucid style and language used will make take the reader to a smooth journey of universe and its members. This book will give you an overview and general understanding of the scope and subjects in the study of Astronomy. The scientific theories associated with the celestial bodies are explained with simple examples. The author has streamlined the subject and presented the reader with a non technical version of most technical subject. (Source)
Perhaps you are interested in the history of science, for either personal or professional reasons. Then check out Pioneers of Science by Oliver Lodge.
“A collection of 28 lectures on the history and progress of astronomy: Copernicus and the motion of the Earth; Tycho Brahe and the earliest observatory; Kepler and the laws of planetary motion; Galileo and the invention of the telescope; Sir Isaac Newton; Roemer and Bradley and the velocity of light; Herschel and the motion of the fixed stars; Bessel, the distances of the stars and the discovery of the stellar planets; discovery of Neptune; tides and planetary evolution.”