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Edition: Engineer. Technology, experiments and limitations.

Physical AI — the path to a beautiful tomorrow.

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The Replicant Truth

THE REPLICANT TRUTHA NEWSPAPER ABOUT PHYSICAL ARTIFICIAL INTELLIGENCE

Breukelen (Netherlands)

Forecast · 2026-11-01 · CET

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All we can do is learn to be human while the rain falls.

Issue № 4 ·

rev. 3 · Archive

Replicant Data — Engineering Edition

New robot control methods, evaluation protocols and their reproducibility limits.

News

Robot model selection needs cost and reproducibility evidence

A high success rate in a demonstration does not tell a factory buyer whether a robot model is affordable to deploy. Adaptation costs, computing requirements and the credibility of the experiments also matter. Xin Ma and colleagues introduced RoboSeed, a framework for assessing models that turn images and instructions into actions alongside models that predict physical developments.

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Soft grippers can be shaped to forgive positioning errors

A robot may recognize an object correctly yet place its gripper slightly off target. Rigid fingers can lose contact, while a soft gripper may deform around the object. Researchers led by Kurt Enkera introduced SimTO-Robust, a computer-aided design method intended to make grippers tolerant of such errors through their physical shape.

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A shared humanoid controller supports different skills without retraining

A humanoid that walks to a table must also stop, bend, reach and recover its balance without switching to an entirely new motor system. Yet many robotics pipelines train separate controllers for each behavior. Chen Tessler and colleagues introduced Metatron, a programmable whole-body execution layer that pairs one trained generative motor policy with software-defined skills. The research was submitted on October 27, 2026; a later listing date should not be mistaken for its original publication date.

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Analysis

Concepts & terms

Issue glossary

The key ideas in this issue, explained briefly.

VLA model
A model that connects visual input, language instructions and robot actions.
task graph
A representation of task steps and the dependencies between them.
compliant gripper
A flexible gripper designed to tolerate small positioning errors while holding an object.
collision checking
A test of whether a planned robot motion intersects an obstacle.
whole-body control
Coordination of a humanoid robot's torso, arms and legs as one system.