the introduction of LED lamps is starting to gain ground with its ability to help save fuel costs, and the recent introduction of plasma bulbs offers a unqiue - but still in its infancy - option.

He gives a great explanation of how the circuit works and was constructed and then moves on to build his own Plasma bulb. Despite expecting something more complicated the end result was achieved ...

Neon bulbs work on the principle of voltage ... or avalanche effect, lighting up the plasma and turning on the neon lamp. Take away the external light source, and it dies down and goes dark.