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What was the relationship between Tesla and Edison prior to the War of the Currents?

Before the War of the Currents, Nikola Tesla worked for Thomas Edison at the Edison Machine Works in the 1880s. Initially, Tesla admired Edison and sought to improve Edison's direct current (DC) electrical systems. However, tensions arose due to disagreements over electrical engineering principles and Edison's refusal to support Tesla's ideas for alternating current (AC) technology, leading to Tesla's departure and the eventual rivalry that defined the War of the Currents.


While Thomas Edison promoted direct current Westinghouse advocated?

While Thomas Edison promoted direct current (DC) for electrical power distribution, George Westinghouse advocated for alternating current (AC) systems. AC could be transmitted over long distances more efficiently and at higher voltages than DC, making it a more practical choice for widespread electricity distribution. This rivalry culminated in the "War of the Currents," where AC ultimately became the dominant system for electrical power due to its advantages in scalability and cost-effectiveness. Westinghouse's AC system was eventually adopted for major projects, including the electrification of the 1893 World's Columbian Exposition in Chicago.


Who made the radar?

As far as I know, radar was invented by a Hungarian scientist named Zoltan Bay. That radar was first used in World War II by the British troops.


How did Nikola Tesla rival Edison?

In the "War of Currents" era in the late 1880s, George Westinghouse and Thomas Edison became adversaries due to Edison's promotion of direct current (DC) for electric power distribution over alternating current (AC) advocated by Westinghouse and Nikola Tesla. Edison had major flaws in his DC machine. Tesla made it work right. Edison has the pattent. In few words looking back in time, research shows that Edison had his inventors working for him getting him the patents. Edison never had ideas like Tesla had.


How old was thomas Edison when he saved a 3 year old boy from the train tracks?

The boy's father was a telegrapher so he gave Edison telegraph lessons. That is one of the reasons why Edison was improving at the telegraph. This also started him to becoming a telegrapher during the Civil War for the Union army.