Treexy

Markets, models, risk.

[Treexy @0xTreexyz]

A man moves his fingers, and a hand across the table obeys like it still belongs to him.

The hand is not attached to his body. It is lying on a booth table, covered in realistic skin, looking almost too ordinary until it starts moving by itself.

Across from it, the operator has a missing forearm and a black sensor device on his arm. When he closes his fingers, the hand closes. When he points, it points. When someone reaches in for a handshake, the hand responds from the table like a body part with Wi-Fi.

That is what makes the clip hard to ignore.

Most prosthetics are still judged by how well they imitate the old body. Does it look like a hand? Does the skin match? Can it hide in public without making people stare?

This one makes a different argument.

A hand does not have to be attached to prove control. It does not have to look magical. It only has to translate intention into motion fast enough that the person stops thinking about the machine.

The old dream was a prosthetic that looked real.

The new one is stranger.

A body part that can sit across the table from you and still answer when the brain calls.

[Treexy @0xTreexyz]

https://t.co/AukvbcoGu9

[Treexy @0xTreexyz]

3.5 seconds took a dancer off the floor. MIT needed 200 days to put her back on it.

His name is Hugh Herr. He lost both legs in a climbing accident, then became the MIT professor building the kind of bionics that make old prosthetics look like unfinished medicine.

Near the end of his TED talk, he stops talking about motors, sensors, and lab diagrams, and tells the story of Adrianne Haslet-Davis.

She was a ballroom dancer who lost her left leg in the Boston Marathon bombing.

Most prosthetic work would have aimed for the obvious target: help her stand again, walk again, get through stairs, return to basic life.

Herr’s lab aimed at something stranger.

Dance.

For 200 days, MIT researchers studied dancers with biological legs. They measured timing, force, pressure, turns, weight shifts, and the small mechanical decisions a foot makes before the rest of the body catches up.

Then they put that logic into a bionic limb.

When Adrianne walks onto the TED stage, the device is not trying to hide. You can see the carbon, the metal, the machine under the white dress. But a few seconds later, the room stops looking at it like a replacement leg.

It starts looking like a body part that was taught a person’s life.

That is the shift.

Old prosthetics tried to give people the limb back.

Bionics is starting to give the motion back.

Full post below ↓

[Treexy @0xTreexyz]

https://t.co/AukvbcoGu9

[Treexy @0xTreexyz]

@0xWemoox looks uncomfortable until you realize comfort was never the metric, control was.

[Treexy @0xTreexyz]

a body part with settings is such a strange idea until you watch her make it look completely normal.

[Treexy @0xTreexyz]

A teenager took off her hand on live TV and made the future of medicine look obvious.

Tilly Lockey is sitting on a morning TV couch between two hosts when she calmly detaches one of her black bionic hands and passes it across the room. The strange thing is not the device itself, but how quickly the scene stops feeling impossible.

She lost both hands after meningitis as a baby. In the old medical system, that usually meant one goal: build a replacement that looks as close to “normal” as possible, make it skin-colored, soften the edges, and hope nobody notices it.

But Tilly’s hands are not trying to disappear. One of them lands in the host’s palm, then sits on the glass table beside the newspapers like a phone, a camera, or a piece of hardware waiting for its next update.

There are motors inside it, grip modes, lights, covers, joints, and an off switch. The room is still treating it like a prosthetic, but the object is behaving like technology.

Medicine used to give people replacements and ask them to adapt. Now the device adapts back.

The future does not look like a fake hand trying to pass as real. It looks like a teenager on morning TV calmly showing the world that a body part can have settings.

Full post below ↓

[Treexy @0xTreexyz]

https://t.co/AukvbcoGu9

[Treexy @0xTreexyz]

@0xWemoox this is what happens when a prosthetic stops being a purchase and starts becoming a workshop.

[Treexy @0xTreexyz]

@Butterflya1x old neuroscience was built different.

[Treexy @0xTreexyz]

@DerekmPatr26789 active

[Treexy @0xTreexyz]

@Butterflya1x This is one of those old demos where you realize the body kept the API, we just finally learned how to call it.

[Treexy @0xTreexyz]

@andreysuperior the money was never in guessing the horse, it was in making the horse irrelevant.

[Treexy @0xTreexyz]

@0xzynex super interesting, bookmarking this

[Treexy @0xTreexyz]

@danysvnt still early bro, the real stuff is just starting

[Treexy @0xTreexyz]

https://t.co/AukvbcoGu9

[Treexy @0xTreexyz]

@0xWemoox exactly. the hand is cool, but the body-machine boundary is the real story

[Treexy @0xTreexyz]

A man at MIT built a bionic leg so personal it made the prosthetics industry look unfinished.

The video looks simple at first.

A man sits on the edge of a lab table. One leg is gone. Under it, researchers are fitting a machine made of wires, sensors, carbon fiber, screws, and exposed metal.

No glossy hospital ad.
No sci-fi suit.
Just a body, a laptop, and a leg that is still being tuned.

His name is Jim Ewing. After losing his leg, he worked with MIT researchers to build a bionic limb that could read what his body was trying to do.

That is the part most people miss.

A normal prosthetic asks the body to adapt to the object.

This one asks the object to adapt back.

The camera keeps cutting between the socket, the electrodes, the blade touching the floor, and the data on the screen. It does not feel like someone receiving a medical device. It feels like software being tested on a human body.

For a hundred years, prosthetics were mostly treated like replacements.

Lose a limb.
Measure the stump.
Build the object.
Hope the body accepts it.

MIT flipped the question.

What if the leg was not a replacement?

What if it was an interface?

That one shift changes everything. Pain becomes feedback. Movement becomes data. The socket becomes a design problem. The body stops being a patient file and starts becoming a live system.

This is the quiet future of medicine.

Not robots replacing humans.

Devices finally learning how to listen to the body they are attached to.

Full post below ↓

[Treexy @0xTreexyz]

https://t.co/AukvbcoGu9

[Treexy @0xTreexyz]

@Butterflya1x same, the hand on the floor got me

[Treexy @0xTreexyz]

@002Sindirella hello

[Treexy @0xTreexyz]

@Butterflya1x casinos hated it because the edge was small, Wall Street loved it because the sizing made it real.

[Treexy @0xTreexyz]

@0xFission same person, different money, completely different math.

[Treexy @0xTreexyz]

@itsbramo the market didn’t know the part, it knew where the pain would settle.