>>4162409 (lb)
>…external or artifical…
Odd that Forbes - a finance rag - chose to publish an article on Tesla's "Earthquake Machine" at the beginning of this year.
Wonder if this 'telegeodynamics' system ever made it past prototype after he passed.
>Think WAVES
>Q
https://www.forbes.com/sites/davidbressan/2018/01/07/nikola-teslas-earthquake-machine/#2ed0ad3c3e18