seen from Germany
seen from United States
seen from Angola
seen from United States
seen from United States
seen from Malaysia
seen from Singapore
seen from Germany
seen from Ukraine
seen from United States
seen from United States
seen from Germany
seen from Guatemala
seen from Italy
seen from Italy
seen from Germany
seen from Brazil
seen from United States
seen from Germany
seen from United States
Mark Twain in the lab of Nikola Tesla, 1894. He is holding Tesla’s experimental vacuum lamp, powered by a loop of wire which is receiving electromagnetic energy from a Tesla coil (not visible). Tesla’s face is visible in the background.
Photo credit: Tesla Science Center at Wardenclyf
