the nanotech and biotech necessary for such robotics are currently being developed by chemists, who will furnish the necessary materials.
nano-technologies such as nanolubricants.
HAS FOLLOW-UP CARDS!
Renewable materials such as those that will tie up and release hydrogen repeatedly for hydrogen fuel cells
guess what both, cause you need both side of the brain to manage such important power. most of our organs exist by pairs ;)
regarding such construction it is strongly opposable cause it can generate unknown side effect.Why not then do like Chinese during olympics?