Did Ancient Humans Have Knowledge of the Electromagnetic (EM) Spectrum? (cont.)
By Glenn Kreisberg, Radio Frequency (RF) Spectrum Engineer

References

Ancient Mysteries Modern Visions, Philip S. Callahan, Acres, Kansas City, MO, 1984

Celtic Monasticism, Kathleen Hughes and Ann Hamlin, Seabury Press, New York, 1981

Irish Round Towers, Lennox Barrows, Jarrold and Sons, United Kingdom, 1976

Sun Circles and Human Hands, Edited by Emma Lila Fundaburk and Mary Douglass Fundaburk Foreman, Paragon Press, Montgomery AL, 1957

Celtic Mysteries of New England, Philip Imbrogna and Marrianne Horrigan, Llewellyn Publications, St. Paul, MN, 2000

Places of Power, Paul Devereux, Blandford, London, UK, 1990

Stone Age Soundtracks, Paul Devereux, Vega, London, UK, 2001

Underworld, Graham Hancock, Penguin, UK 2002

Maltese Mystery Intrigues Scientist, Malta Today, By Marika Azzopardi, Jan. 19 2003

Websites:

farshores.org, Microwaves, Optics, Acoustics and Ancient Egyptian Temples by Pavel Smutny

world-mysteries.com, Antikythera Device

microwave101.com, History of Electromagnetic Theory

sacredsites.com

In addition, I’d like to thank the Three Geese in Flight bookstore in Kingston, NY for providing invaluable source material for this article and my sister Debra for her assistance in editing.