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New Robotic Muscle Created: Can LIft Close to 1000X Own Weight

Antiochus

Member
https://phys.org/news/2017-09-soft-robotics-self-contained-actuator-stronger.html

Researchers at Columbia Engineering have solved a long-standing issue in the creation of untethered soft robots whose actions and movements can help mimic natural biological systems. A group in the Creative Machines lab led by Hod Lipson, professor of mechanical engineering, has developed a 3D-printable synthetic soft muscle, a one-of-a-kind artificial active tissue with intrinsic expansion ability that does not require an external compressor or high voltage equipment as previous muscles required. The new material has a strain density (expansion per gram) that is 15 times larger than natural muscle, and can lift 1000 times its own weight.

To achieve an actuator with high strain and high stress coupled with low density, the lead author of the study Aslan Miriyev, a postdoctoral researcher in the Creative Machines lab, used a silicone rubber matrix with ethanol distributed throughout in micro-bubbles. The solution combined the elastic properties and extreme volume change attributes of other material systems while also being easy to fabricate, low cost, and made of environmentally safe materials.

"Our soft functional material may serve as robust soft muscle, possibly revolutionizing the way that soft robotic solutions are engineered today," said Miriyev. "It can push, pull, bend, twist, and lift weight. It's the closest artificial material equivalent we have to a natural muscle."
 

adj_noun

Member
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Bakercat

Member
When you thought you bought a sexbot but instead got a wrastlerbot. Imagine some dude trying to get it to give a handjob and it throws him by the penis out the window.
 

The Kree

Banned
In light of recent world events I'm revising my stance on the technological singularity. Robots exterminating us is now the best case scenario.
 

Mr.Mike

Member
Even short of whatever robotics applications, I have to imagine this could be really useful in mechanical engineering. Not a mechanical engineer, but replacing pulleys in certain situations comes to mind.
 

SRG01

Member
Ugh, underwhelming. A lot of the concept videos are sped up, and this artificial muscle still uses thermal actuation -- which means slow expansion and contraction times...
 
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