The self-forming, self-healing wireless network that Rifleman generates maintains its integrity even when soldiers are isolated and under fire.

FORBES: Army Resets Radio Plans As Demand Signal Shifts

Topping up the supply of healing fluid might be done by mimicking another biological system the network of blood capillaries that supplies living tissues with the stuff they need to thrive.

ECONOMIST: Monitor

To resolve this, researchers were focusing on developing a vascular system in which liquid could be circulated in a network of hollow fibers within the material, which would allow the healing agent to be restocked through an access point.

CNN: The emerging world of self-healing materials