plasma

"Where do I put my finger? There ... OK? Nothing's happening ... is it on?" "Yes, it's on. Move your finger a bit closer." "Er ... ow! OW!" Not good. I try again. "OWWW!" I pull my hand away sharpish. My finger is throbbing, but seems undamaged. I was told people can take it for a second, maximum. No way, not for a wimp like me. I try it again. It is a bit like touching a red-hot wire, but there is no heat, only the sensation of heat. There is no burn mark or blister. Its makers claim this infernal machine is the modern face of warfare. It has a nice, friendly sounding name, Silent Guardian.