Posted - Feb 15 2005 : 09:19:46 AM Plasma. You can get the same effect if you connect a lighbulb to a Tesla Coil or other HV source. Very cool.
BEatonNo1
Posted - Feb 15 2005 : 12:17:38 AM one think I recomend is taking a grape and cutting it in half. place the halfs close to each other in the microwave with the flat sides up.....the microwaves cause a difference in potentials between the two halfs and sparks will arc between them.