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Robotics & Physical AI updated 3 min read

Robotics video roundup highlights adaptive humanoids, soft jumping bots, and field harvest robots

This week’s IEEE Spectrum Robotics video roundup showcases a range of cutting‑edge projects. Agility Robotics demonstrated ReST‑RL, a hierarchical reinforcement‑learning system that separates locomotion from payload stabilization, successfully tested on the Unitree G1 humanoid and achieving zero‑shot sim‑to‑real performance across varied loads. Carnegie Mellon’s Safe AI Lab introduced APEX,…

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Key points

  • ReST‑RL lets Unitree G1 humanoid stabilize payloads with zero‑shot sim‑to‑real transfer.
  • NC State soft robot jumps using infrared‑triggered ribbon twist energy.
  • DEEP Robotics Lynx M20S assists grape harvesters in Turpan’s >50 °C environment.

Other highlights include DEEP Robotics’ Lynx M20S assisting grape harvesters in Turpan’s extreme heat, the Musashi‑W humanoid equipped with a three‑layer skin sensing 44 pressure and stretch elements, and the OH! GYM! cohort’s month‑long development cycle using the open‑source Sapiens K1 platform to bring simulated motions to real robots. The roundup also references DARPA’s upcoming Lift Challenge, Figure’s compute‑scaled robots, and various community comments.

These videos illustrate rapid progress in making robots more adaptable, resilient, and ready for real‑world tasks, from farms to factories.

The story so far

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Full story from IEEE Spectrum Robotics · by Evan Ackerman Open source ↗

Video Friday: Digit Redecorates

IEEE Spectrum Robotics · 4 September 2026

Video Friday is your weekly selection of awesome robotics videos, collected by your friends at IEEE Spectrum robotics. We also post a weekly calendar of upcoming robotics events for the next few months. Please send us your events for inclusion.

Humanoids Summit Seoul: 22–23 September 2026, SEOUL
IROS 2026: 27 September–1 October 2026, PITTSBURGH
CoRL 2026: 9–12 November 2026, AUSTIN

Enjoy today’s videos!

I know these videos from Agility can be a little bit silly, but the couch drag in this one is impressive.

[ Agility Robotics ]

Stabilizing unsecured payloads against the inherent oscillations of dynamic bipedal locomotion remains a critical engineering bottleneck for humanoids in unstructured environments. To solve this, we introduce ReST-RL, a hierarchical reinforcement-learning architecture that explicitly decouples locomotion from payload stabilization. Successfully deployed on the Unitree G1 humanoid hardware, this modular approach demonstrates highly reliable zero-shot sim-to-real generalization across various objects and external force disturbances.

[ SteadyTray ]

Thanks, Ioana!

Figure is scaling compute so that its robots can...uh...have their compute scaled, I guess?

Solving for a robot in every home is not a data-and-compute problem, it’s a safety-and-cost problem.

[ Figure ]

The most important thing to know about this gripper is that koalas have two thumbs on each hand.

[ RAI Institute ]

DARPA Triage Challenge Finals are in November!

[ DARPA ]

Online, humanoid robots are very impressive to watch, but behind the scenes, most of those movements are carefully choreographed. Researchers in Carnegie Mellon University’s Safe AI Lab are instead teaching robots how to adapt. Their system, called APEX, allows a humanoid robot to navigate obstacles using adaptive, full-body maneuvers.

[ CMU ]

Researchers from North Carolina State University have created teardrop-shaped soft robots that leap upward or forward when exposed to infrared light—and will keep jumping as long as the light is present.

The robots are made of a liquid-crystal elastomer ribbon shaped like a teardrop, with a thin aluminum tube shaped like a V at one end. When exposed to light from an infrared lamp, the surface of the ribbon contracts, causing the ribbon to rotate. The stiff V at one end of the robot prevents the ribbon from simply rolling in place, causing the ribbon to twist tighter and tighter. This stores energy until the twist reaches a critical point when the ribbon releases that energy, causing the V at one end of the teardrop to snap downward and strike the surface. This launches the teardrop into the air.

[ NC State ]

Thanks, Ship!

I’ll be honest—I was prepared to be underwhelmed by the DARPA Lift Challenge, but there was such creativity in the heavy-lift drone designs that I’m excited for it to come back in 2028.

Thank you, Christian, for attempting to talk some sense into the internet.

Humans use not only muscle signals but also stretched skin around joints as a cue for proprioception. To mimic this biological mechanism, we developed a three-layer joint-covering skin with 44 pressure- and stretch-sensitive elements for the musculoskeletal humanoid Musashi-W.

It’s not a replicant, but one day, it will be.

Thanks, Akihiro!

Having mobility issues with your robot? Just staple it to the end of an industrial robotic arm. Problem solved!

[ LimX Dynamics ]

But what if I am the sort of person who needs to speak to a manager?

[ Sharpa ]

In Turpan, China—known as the City of Fire—summer ground temperatures can exceed 50 °C. During the grape harvest, farmers traditionally carry heavy baskets back and forth under the intense heat, while every extra minute in the sun can affect the freshness of the fruit. This year, the DEEP Robotics Lynx M20S joined the harvest.

[ DEEP Robotics ]

This video showcases the achievements of the first OH! GYM! Project cohort, a group of university and graduate students who explored, developed, and deployed their own humanoid behaviors using the open-source AI Sapiens K1 platform. Over the course of one month, the students experienced the complete process of humanoid development—from creating motions in simulation to transferring them onto a physical robot through repeated Sim2Real experiments.

This text was published by IEEE Spectrum Robotics and written by Evan Ackerman. It is reproduced here with attribution so you can read it in full; the rights remain with the publisher. Read it at the source ↗

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