Modern face of warfare: The Silent Guardian "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...