Tesla coils are beautiful examples of high voltage hardware, throwing sparks and teaching us about all kinds of fancy phenomena. They can also be quite intimidating to build. [William Fraser ...

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 ...

Tesla coils are one of those builds that capture the interest of almost anybody passing by. For the naïve constructor, they look simple enough, but they can be finicky beasts—beasts that can ...

Explore the power of wireless energy as you build your own ‘baby Tesla coil’ (or Slayer Exciter) using Lego Technic! This experiment may not be a traditional spark-gap Tesla coil, but it demonstrates ...

Learn how to build a Tesla coil using inexpensive high-voltage generators and Lego, creating stunning plasma arcs without complex circuits. This Lego Technic MOC includes the primary coil, secondary ...