Ways in which an earlier science and technology was superior to that of today.
Sixty-four ways in which an earlier, forgotten science and technology was superior to our own.
Learn of secret formulas that could revolutionize modern aviation, construction and medicine Ė advanced secrets we once knew, and have forgotten.
All together under one cover. A companion to Dead Menís Secrets.
International explorer, archaeologist and author Jonathan Gray has traveled the world to gather data on ancient mysteries. He has penetrated some largely unexplored areas, including parts of the Amazon headwaters. The author has also led expeditions to the bottom of the sea, and to remote mountain and desert regions of the world. He lectures internationally.
94 pages, softcover
Author: Jonathan Gray