Nikola Tesla invented the Tesla coil, an induction coil used in radio technology. (jan 1, 1891 – jan 1, 1892)
Description:
After the invention of his Tesla coils, the inventor found that he could transmit and receive powerful radio signals when the coils were tuned at the same frequency.Added to timeline:
Date:
jan 1, 1891
jan 1, 1892
~ 1 years