Mechanical Resonance - Earthquake Machine

Earthquake Machine

Nikola Tesla established a laboratory at 46 E Houston Street in New York. There, at one point while experimenting with mechanical oscillators, he allegedly generated a resonance of several buildings causing complaints to the police. As the speed grew it is said that the machine oscillated at the resonance frequency of his own building and, belatedly realizing the danger, he was forced to use a sledge hammer to terminate the experiment, just as the police arrived. The Mythbusters television program made a small machine based on the same principle, but driven by electricity rather than steam, to test the claimed earthquake effect; it produced vibrations in a large structure that could be felt hundreds of feet away, but no significant shaking, and they judged the effect to be a busted myth.

Read more about this topic:  Mechanical Resonance

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