In 1899, Tesla moved his research lab from Manhattan to Colorado Springs, Colorado at a location near Foote Ave. and Kiowa St. He was attempting high-frequency, high-voltage experiments, and told reporters that he was sending wireless telegraphs from Pike's Peak to Paris.

Through his experiments, he also deduced that the resonant frequency of the Earth was approximately 8 hertz (Hz), later called Schumann resonance. It was also in Colorado Springs that Tesla claimed to be receiving extraterrestrial radio waves from Venus or Mars.

Tesla left Colorado Springs in January of 1900, and his laboratory was dismantled and sold to pay his debts in 1905.

A fictionalized Colorado Springs-era Tesla (played by David Bowie) appears in the 2006 film, The Prestige.

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