this post was submitted on 22 Feb 2025
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Microblog Memes

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A place to share screenshots of Microblog posts, whether from Mastodon, tumblr, ~~Twitter~~ X, KBin, Threads or elsewhere.

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[–] applebusch@lemmy.blahaj.zone 19 points 5 months ago (1 children)

Wanted to know if they made any real advances in muscle actuators so I looked this up. They're pneumatic, and the model in the photo barely moves and doesn't stand on its own. An article said they will switch to hydraulics in the future. Neither pneumatics or hydraulics is efficient enough to be useful in a standalone human sized machine, so this looks like more of an art piece aimed at fleecing some idiot venture capitalists.

[–] Quadhammer@lemmy.world 2 points 5 months ago (2 children)

Are humans technically hydraulic with all the blood and such?

[–] michaelmrose@lemmy.world 1 points 5 months ago (1 children)

No hydraulic would imply using fluid pressure to effect work whereas we use electricity to contract and relax muscle fibers

[–] drosophila@lemmy.blahaj.zone 1 points 5 months ago

While muscle contraction is triggered electrically (or electrolytically, considering the role that ions play in action potentials) the physical force of the contraction is generated by a mechanochemical process.

[–] SGforce@lemmy.ca 1 points 5 months ago

Think spiders are.