| http://www.w3.org/ns/prov#value | - Biofuel cell (burns sugar and oxygen from the blood stream)I do not like 1 and 4 much, because 1 has to be a very hot source to provide enough power, which gives all kinds of problems with shielding and handling, and 4 is limited to body resources, which may work for low-power devices, but will likely be insufficient for a high-strength cyber limb.3 can be kind of messy, depending on how much fuel
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