Tesla at Colorado Springs

In 1899 Nikola Tesla took a receiver to a shed on the Colorado plateau and reported pulses that counted.

Tesla's Colorado Springs Receiver and a Signal That Counted

In 1899 Nikola Tesla ran an experimental station at Colorado Springs, where his receivers picked up electrical disturbances he could not trace to the Sun, the aurora or the Earth. He told the Red Cross and Collier's Weekly that he might have heard one planet greeting another. Here are his own words, the station, the explanations proposed since, among them Marconi and Jupiter, and what is still unsettled.