This weekend is the birthday of Nikola Tesla, a Serbian-born physicist who was the father of modern electricity. He died in 1943. Along with the concept of alternating current, he was famous for ...

We all learn in elementary school that Thomas Edison invented the light bulb. Simple, right? Not exactly. There were many competitors in the battle to bring electricity to the world (and profit from ...

The Tesla coil transforms an input voltage into brief pulses of extremely high voltages. Tesla's largest coil, built at his Colorado Springs lab in 1899, was 52 feet in diameter and generated pulses ...

This “pancake” inductor wound with copper tubing forms the primary of the Tesla coil. The heavy black wire connects to an adjustable “tap” that allows tuning of the primary circuit. The elevated ...