Nikola Tesla's inventions are the architects of the modern world. Here are some of the inventions that changed the world.


1. The Alternating Current: Though Tesla didn't invent the AC, he made it easy to use it widespread. This was Tesla's crowning achievement. The AC was very efficient.


2. The Radio: In 1895, Tesla first sent a wireless transmission from New York city to a boat at Hudson River - 40 Km away. He would have done it sooner but his lab was destroyed in a fire in 1895. Tesla invented everything we associate with radio but an inventor named Marconi was given the actual credit. In 1943, the American Supreme Court ruled that Tesla's patent had precedence but public already considered Marconi the inventor of radio.


3.The Radio Boat: In an exhibition, Tesla showed off a strange invention which he called "Teleautomaton" : a boat controlled by radio waves. The patent didn't issue a patent because they thought it wasn't feasible. But Tesla proved them wrong. He controlled the boat, operating the propeller and lights through radio waves.


4. The Tesla Coil: The Tesla coil is nothing but a pair of coils each having its own capacitor, which stores energy. They are connected to a spark gap which is just open air where the sparks can generate. The result is that the Tesla coil can shoot lightening bolts, and electric currents to the body and create electron winds.


5. The AC Motor: Tesla spent one year in creating the motor in his mind alone. The AC created magnetic poles that reversed themselves with mechanical aid, as DC motors required. Within 2 years, he would use it in AC generators and transformers as well.

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