Human-like robots that stretch your imagination

Human-like robots that stretch your imagination
Dr Koh showing how much the translucent polymer is able to stretch.

SINGAPORE - Goodbye, R2-D2. Hello, Terminator.

Singaporean researchers have made an important breakthrough in the field of robotics that may mean the end of clunky, awkward robots, and herald the rise of a new generation that move like us.

In a world first, they took inspiration from the human body to use conductive, elastic polymers as "muscles".

These stretch in response to electrical impulses, much like human muscles extend and flex when neurons carry signals from the brain.

Robots using the man-made muscles "will be able to function in a more human-like manner" than conventional ones powered by hydraulics, said lead researcher Adrian Koh of the National University of Singapore's Department of Civil and Environmental Engineering.

They could be up to 10 times lighter. And, crucially, they may be able to carry loads up to 80 times their weight, compared to just double their weight now.

This is because the polymer "muscles" have both strength and high elasticity, meaning they can stretch up to 10 times their length when under strain, before returning to their original shape.

"Think of how efficient cranes could get if armed with such 'muscles'," said Dr Koh.

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