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How do you a build the musculoskeletal system a humanoid robot? If
you're Sony, you use a system of servo motors, gears, metal rods and
cables. But that's a poor imitation of the human body where the movement
of limbs is dictated by the smooth, coordinated contraction of muscle
fibers. Enter the breakthrough: electroactive polymers, also called
artificial muscles. Recently unveiled by a scientist in
Albuquerque, these artificial muscles contract when exposed to an
electric current. Attach one end to the pelvis of a humanoid robot and
the other end to the back of its knee and you have a robot that can do
leg curls. Strap together enough such fibers, couple them with a smart
contact feedback system, and you can teach a robot to walk using its own
artificial muscles. Imagine it: no motors to wear out, no cables to
snap, no rods to break: just muscle-like fibers that contract in
response to an electric current. It's nothing short of a revolution in
robotics. No doubt, the industry will rely heavily on this technology in
the years ahead. There's even hope that such fibers might somehow be
used in human patients to aid those who have, for one reason or another,
lost the use of their limbs. In a creepy sort of way, these new
artificial muscles are now about to be put to the test in an arm
wrestling contest with high school students. As part of an upcoming
contest hosted by NASA, high school students will go hand-to-hand with
an artificial forearm powered by these electroactive polymers. Assuming
the robotic arm doesn't rip the limbs off these students (Terminator,
anyone?), this P.R. event should serve up some much-needed public
interest in robotics.
About the author: Mike Adams is a natural health author and technology pioneer with a mission to teach personal and planetary health to the public He has authored and published thousands of articles, interviews, consumers guides, and books on topics like health and the environment, reaching millions of readers with information that is saving lives and improving personal health around the world. Adams is an independent journalist with strong ethics who does not get paid to write articles about any product or company. In 2007, Adams launched EcoLEDs, a maker of energy efficient LED lights that greatly reduce CO2 emissions. He also launched an online retailer of environmentally-friendly products (BetterLifeGoods.com) and uses a portion of its profits to help fund non-profit endeavors. He's also a noted pioneer in the email marketing software industry, having been the first to launch an HTML email newsletter technology that has grown to become a standard in the industry. Adams also serves as the executive director of the Consumer Wellness Center, a non-profit consumer protection group, and regularly pursues cycling, nature photography, Capoeira and Pilates.
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