Nikola Tesla

Did you know one person helped bring electric light to most of the world? Nikola Tesla was a brilliant inventor who lived in the late 1800s and early 1900s. This short talk focuses on his biggest idea: alternating current, or AC, the smart way electricity moves long distances to power our homes and cities.

Tesla invented machines and systems that made AC work: an AC motor, transformers, and ways to send electricity safely along power lines. He gave dramatic demonstrations of his ideas, and his system beat older direct current (DC) systems so cities could use power from far away plants.

He also built the famous Tesla coil that made giant, colorful sparks and helped people understand electricity. Tesla experimented with radio waves, X-rays, and even imagined sending power without wires. Many ideas he explored later helped create radios, motors, and the electric grid we use today.

Why does this matter? Tesla's inventions changed how people live: lights, hospitals, factories, and even many devices we use rely on electricity traveling safely to our homes. So next time you flip a switch, remember Nikola Tesla — a curious thinker with big ideas who helped light the world. Imagine what you might invent!