Nikola Tesla was an inventor and engineer. He found particular success in the field of electricity. His inventions, specifically the Tesla coil, continue to do amazing things even nearly 70 years after his death. The inventions that he completed in his lifetime are not the whole of his legacy. There is at least one invention that Nikola Tesla certainly worked on, but that he never completed. That is the Tesla death ray, also known as the Tesla death beam and the Tesla particle beam weapon.

It is said that Nikola Tesla's childhood in Russia…