आज का दिन : Nikola Tesla

Nikola Tesla was Born on  10 July 1856, Smiljan, Croatia. Nikola Tesla was a Serbian-American inventor, electrical engineer, mechanical engineer, and futurist who is best known for his contributions to the design of the modern alternating current electricity supply system. 

Nikola Tesla is still alive in Silicon Valley providing free wi-fi to visitors from across the globe through one of his wireless lightbulbs. ... The famous inventor had many dreams and visions of wireless technologies but unfortunately passed roughly 30 years before the first wireless telephone call was made.Mar 28, 2016