or if you are going too...stick them in a 500 degree oven for 20 minutes :)
Who will be the first to market an RFID detector/killer device you could take shopping with you?
Just two or three seconds in the microwave, five seconds tops, will kill an RFID tag. However, some items may catch on fire, or be otherwise damaged (like, say, the new RFID passports that will be issued after this October).