In one embodiment, addressing information identifying a location in a computer network is received in a computer. In one embodiment, a reaction cell is provided having a cathode electrode and an anode electrode that are connected to a source of electrical power, and which are separated by a permeable membrane. The controller has a disabling program that shuts down the machine after a predetermined interval, such as time. In one embodiment, the food grade glycol makes up at least about 25 wt.