The Tesla coil used for the demonstration is no slouch, either. It’s part of the Nevada Lightning Laboratory and can pack a serious punch (PDF warning). To receive the electrical energy from the ...

This Tesla vehicle was struck by lightning during a storm in Ohio. Owner Sarah Day later wrote online, "I heard the crash, and just a second or two after about nine errors popped up on the dashboard.

Things like lightning, the sun ... and the sodium experiment is pretty interesting and a fun use of that Tesla coil in your closet.

Although the Tesla unit is extensively used, and the Tesla coil which is one of his most ingenious inventions, it's also extensively used. We have wireless transmission of energy all the time.

View the illustrated instructions for a visual overview of this project. Wrap the 4-inch nail with a coil of 25 to 50 turns of the wire. Connect one end of the coil to one terminal of the knife ...