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Science fiction has suggested artificial limbs stronger than
biological counterparts. We are beginning to see this reality in
present day research. “Carbon-nanotube-based muscles that are
100 times stronger than natural muscle” have already been
produced by the research of Ray Baughman, director of the
Nanotech Institute at the University of Texas at Dallas. Now, he
has produced a yarn from carbon nanotubes that can twist 1000
times more than other materials. It is this twisting motion that
opens new possibilities and gives the material a potential as
strong as a commercial electric motor. What can they do? Small-
sized nanotech muscles may be useful in some of the tiniest
applications, where electrical energy is turned into mechanical
energy. Normally, we think of artificial muscles like electrical
devices that produce the linear motion solenoids and actuators.
These new materials have a much wider operating range than
devices we now use. Some of th