ELI5: Explain Like I'm 5

War of the currents

Ok kiddo, let me tell you a story about the War of the Currents. A long time ago, there were two really smart guys named Thomas Edison and Nikola Tesla, and they both wanted to make electricity better and more useful for people.

Edison thought that the best way to make electricity was to use something called direct current (DC). This was like a river of electricity that flowed in only one direction. It was great for lighting up bulbs and running small machines, but it couldn't travel very far and didn't have enough power to run big machines or factories.

Tesla, on the other hand, thought that alternating current (AC) was the way to go. This was like a river of electricity that flowed back and forth really fast. It could travel long distances and had enough power to run big machines and factories.

Now, Edison didn't like Tesla's idea because he thought it was too dangerous. He said that AC could hurt people and even kill them if they touched it. He even staged a public demonstration where he electrocuted animals with AC to show how dangerous it was.

But Tesla was determined to prove him wrong, so he built a power plant that used AC to light up the entire city of Buffalo, New York. People loved it and started using AC more and more.

Then, a big business tycoon named George Westinghouse got involved. He was a fan of Tesla's AC idea, and he started selling AC power systems to factories and businesses all over the country. This made Edison really upset, so he launched a campaign against AC and tried to get people to stick with DC.

It became known as the War of the Currents because Edison and Westinghouse were competing against each other to see whose system would win.

In the end, AC won because it was more efficient and powerful than DC. It's the reason we have electricity in our homes and cities today.

So, the War of the Currents was a big contest between two smart men with different ideas about how to make electricity. And in the end, the best idea won!