considering the video uses only a match. definately nothing to do with the wax. you get an electrical arc inside the flame then it spits out balls of plasma.

considering the video uses only a match. definately nothing to do with the wax. you get an electrical arc inside the flame then it spits out balls of plasma. if you time it just right so it doesnt hit the sides the plasma can last for quite a while after the microwave is shut off. pulling a mocrowave to bits and doing it uncontained is still on my todo list.