Everyone knows that one of the coolest things to do with a Tesla coil is to light up neon or ... So he took 100 of these little neon bulbs and arranged them in a 10×10 grid on a piece of perfboard.

Neon light debuted in Paris in 1910 ... Once the Hoover Dam was completed, Las Vegas was able to expand its electrical grid, she said, and that probably helped drive an expansion of neon signs.

Here’s a fun video by [Ashish Derhgawen], discussing the photoelectric effect of neon lamps with some simple demonstrations. Orange light makes it light! [Ashish] demonstrates the well-known ...