Résultats lu par "Martin K. Ettingotn" dans Toutes les catégories

There are many thousands of asteroids in the solar system, and this audiobook is focused on how do we get to them, live on them, and mine them. There are several known types of asteroids, and the metal ones have the most promise to provide rare materials to fuel Earth’s industries. Also, how would these metals be processed and sent back to Earth? What would traveling to and living on asteroids be like? And what life support systems would be needed?

As I write this in May of 2020, the annual travel season is upon us. There are travel guides on lots of subjects and locations. This book is kind of an unusual travel guide to ancient and (mostly) unusual sites in the USA. Most persons think that the United States doesn’t have much in the way of ancient ruins, and they would be wrong. There are amazing ruins all over the country, and some are not even accepted by conventional archaeology or anthropology as being real. These sites are fascinating and some are mysterious in terms of who built them and when?

This is a really eclectic and fascinating bundle of five books on science and technology, all in one volume, including Future Predictions by an Engineer and Seer, Aliens and Secret Technology - A Theory of the Hidden Truth, Designing and Building Space Colonies - A Blueprint for the Future, On Using the Scientific Method to Study the Paranormal, and The 10 Principles of Personal Longevity & Personal Freedom.