A sensor is an electronic instrument that detects some action or thing, usually as a part of a larger piece of equipmemt. What has this got to do with you quitting posting? Seriously, please quit taking yourself so seriously. I, for one think you have a lot to add to this discussion when you are not so upset that you liose your ablity to express yourself. Noone on Agoracom can CENSOR anyone since they have no power to fine anyone, jail anyone or execute anyone. Rip P.S. Can anyone tell me why Agoracom keeps eliminating my paragraph breaks?