A module producible inside a living body is provided. The module includes an instructions receiver configured to receive wireless transmissions of instructions from a master controller located outside of the body when the module is inside the body. An energy receiver configured to receive wireless transmission of non-destructive energy from the master controller located outside of the body when the module is inside the body. The module further includes a battery and a communications and guide element electrically connected to the instructions receiver, the energy receiver and the battery.