tagged with: rarefied gases, alternate currents, quote, inventor, words and unwords, physicist, physics, alternating current, nikola tesla, tesla quote
Electrical engineers, physicists, and advocates of wireless will enjoy any of these gifts featuring a portrait of "Wizard of Wireless" and "Father of Radio", Nikola Tesla, along with one of his quotes on alternate currents: "Alternate currents, especially of high frequencies, pass with astonishing freedom through even slightly rarefied gases. The upper strata of the air are rarefied. To reach a number of miles out into space requires the overcoming of difficulties of a merely mechanical nature."
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