Super-strong robots that ‘make the Terminator look puny’

ROBOTS could soon be 15 times as strong as humans thanks to a new artificial muscle.

Scientists used a 3D printing technique to create the rubber-like synthetic muscle that could lead to the creation of machines which “make the Terminator look puny”.

 The artificial muscle in use. It's working as a bicep to lift a skeleton's arm to a 90 degree angle

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The artificial muscle in use. It’s working as a bicep to lift a skeleton’s arm to a 90 degree angle

 The rise of immortal machines was predicted in the 1991 Terminator movie

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The rise of immortal machines was predicted in the 1991 Terminator movie

The material was capable of expanding to nine times its normal size whe heated.

In tests it demonstrated enormous strength, having a strain density – the amount of energy stored in each gram of a stretched elastic body – 15 times greater than natural muscle.

The device, described as a “soft actuator”, was able to lift 1,000 times its own weight, said the researchers whose work is reported in the journal Nature Communications.

Professor Hod Lipson, from the Creative Machines laboratory at Columbia University in New York, said: “We’ve been making great strides toward making robot minds, but robot bodies are still primitive.

“This is a big piece of the puzzle and, like biology, the new actuator can be shaped and reshaped a thousand ways. We’ve overcome one of the final barriers to making lifelike robots.”

As a champion body builder, Schwarzenegger was famous for his muscles before making his name in Hollywood and starring as a homicidal android in the Terminator movies.

 Arnie was a bodybuilder before he became an actor and politician

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Arnie was a bodybuilder before he became an actor and politician

 The muscle is shown in its resting state (left) and "actuated" state, which means it's contracted

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The muscle is shown in its resting state (left) and “actuated” state, which means it’s contracted

Artificial muscles may not only suit killer robots but also sensitive surgical devices and a host of other applications where gripping and manipulation is important.

Co-author Dr Aslan Miriyev, also from the Creative Machines lab, said: “Our soft functional material may serve as robust soft muscle, possibly revolutionising the way that soft robotic solutions are engineered today.

“It can push, pull, bend, twist, and lift weight. It’s the closest artificial material equivalent we have to a natural muscle.”

The long-term aim is to accelerate the artificial muscle’s response time and link it to an artificially intelligent (AI) control system, said the researchers, who were part-funded by the Israeli defence ministry.

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