3D Printable Flat Spiral Coils
Method Of Symmetrical Co-Ordinates Applied To The Solution Of Polyphase Networks by Eric Dollard

Historic DBR Carrier Telephone Line

World War 2 emergency defense backup route long distance communication system of J Carrier variety. Later converted to O Carrier for civilian use. Was specifically constructed as an inland major communications link in the event that the West Coast was attacked by the Japanese. It started in Washington state and ended in Los Angeles, California. Only 15 miles left standing shown in the photographs. Line is in very bad shape and ultimately will have to be removed.

Cosmic Ether Exists Part 2 - Implications To Modern Physics by James DeMeo
Cosmic Ether Exists Part 2 - Implications To Modern Physics by James DeMeo