This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
TeslaWirelessIllustration. Experiment in wireless power transmission by inventor Nikola Tesla at his Colorado Springs USA laboratory around The light glowing near the bottom is powered by energy transmitted wirelessly from the huge megavolt magnifying transmitter in his lab nearby The grounded receiver coil shown is tuned to resonance