les-sources-du-nil: Nikola Tesla holds a highly evacuated, gas-filled tube, powered by one of his high-frequency oscillator units. The one-amp tube operated without any connection to wires (“wireless energy”) over appreciable distances, which could
les-sources-du-nil: Nikola Tesla holds a highly evacuated, gas-filled tube, powered by one of his high-frequency oscillator units. The one-amp tube operated without any connection to wires (“wireless energy”) over appreciable distances, which could