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Eren Chen

@ErenChenAI • 9,601 subscribers

Exploring the Frontier of Physical AI. All opinions are my own.

Shorts

How to cool down a robot’s hip joint: Step 1: Take its pants off. Step 2: Give it some fresh air with a fan. Step 3: Put its pants back on.

How to cool down a robot’s hip joint: Step 1: Take its pants off. Step 2: Give it some fresh air with a fan. Step 3: Put its pants back on.

359,005 views

If you visit Figure’s HQ, you’ll see their humanoid robots wandering around the office.

If you visit Figure’s HQ, you’ll see their humanoid robots wandering around the office.

308,209 views

Humanoids rehearsing for the 100m sprint at the World Humanoid Robot Games.

Humanoids rehearsing for the 100m sprint at the World Humanoid Robot Games.

327,376 views

400 meter robot champion running style

400 meter robot champion running style

45,022 views

Jensen Huang Just randomly getting drinks from strangers in Beijing and drinking it right away.

Jensen Huang Just randomly getting drinks from strangers in Beijing and drinking it right away.

1,598,731 views

MicroDucks singing

MicroDucks singing

42,044 views

Robots are already out on the streets asking for money in China

Robots are already out on the streets asking for money in China

802,830 views

The 2nd Robot Marathon has officially begun in Beijing. This year feels different. 1. Around 40% of teams are running fully autonomous, no remote control. 2. Top robots are already hitting ~10s per 100 meter, getting surprisingly close to human sprint limits. 3. You can also see much better safety design upfront. Way more structured than last year’s chaos. 4. Still, failures happen. Marathon distance pushes motors, structure, and control to the limit. What works in short demos breaks down over longer runs. Overall, a big step forward, but also a reminder that real-world robotics is still far from the polished demo videos you get fed from companies.

The 2nd Robot Marathon has officially begun in Beijing. This year feels different. 1. Around 40% of teams are running fully autonomous, no remote control. 2. Top robots are already hitting ~10s per 100 meter, getting surprisingly close to human sprint limits. 3. You can also see much better safety design upfront. Way more structured than last year’s chaos. 4. Still, failures happen. Marathon distance pushes motors, structure, and control to the limit. What works in short demos breaks down over longer runs. Overall, a big step forward, but also a reminder that real-world robotics is still far from the polished demo videos you get fed from companies.

850,641 views

Another humanoid getting some last-minute training in before the World Humanoid Robot Games in Beijing. Running a little all over the place.

Another humanoid getting some last-minute training in before the World Humanoid Robot Games in Beijing. Running a little all over the place.

81,829 views

MediaPipe + Python. I've got a great idea 😅

MediaPipe + Python. I've got a great idea 😅

416,224 views

Excited to announce I’m starting the world’s first flying quadruped startup. Currently raising a $50M seed round. DMs are open.

Excited to announce I’m starting the world’s first flying quadruped startup. Currently raising a $50M seed round. DMs are open.

169,889 views

Eventually Collapsed. Didn’t make it.

Eventually Collapsed. Didn’t make it.

426,524 views

The opening ceremony setup for the World Humanoid Robot Games.

The opening ceremony setup for the World Humanoid Robot Games.

38,871 views

Unitree G1s performing a Chinese ethnic group dance. The synchronization, energy, and sheer presence are incredible.

Unitree G1s performing a Chinese ethnic group dance. The synchronization, energy, and sheer presence are incredible.

55,167 views

UBTECH’s robot is now showing off its boxing skills. Not long ago, the story was all about industrial deployment. Now it’s boxing. It increasingly feels like they are chasing whatever narrative is hot at the moment, rather than building around a clear strategic focus.

UBTECH’s robot is now showing off its boxing skills. Not long ago, the story was all about industrial deployment. Now it’s boxing. It increasingly feels like they are chasing whatever narrative is hot at the moment, rather than building around a clear strategic focus.

38,427 views

If robots legs are too short to climb the stairs, try this 😂

If robots legs are too short to climb the stairs, try this 😂

130,535 views

An armed quadruped robot designed for military operations.

An armed quadruped robot designed for military operations.

63,011 views

When the wall says “impossible,” the robot dogs say “watch this.”

When the wall says “impossible,” the robot dogs say “watch this.”

47,632 views

The most realistic humanoid robot is still a human in a robot suit.

The most realistic humanoid robot is still a human in a robot suit.

48,163 views

Just as Brett calls tendon hands his “biggest engineering mistake,” Inspire-Robots is unveiling a 24-DoF hybrid tendon-driven hand at World Robot Conference.

Just as Brett calls tendon hands his “biggest engineering mistake,” Inspire-Robots is unveiling a 24-DoF hybrid tendon-driven hand at World Robot Conference.

13,061 views

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Slow-motion look at the 400m champion’s running form at the World Humanoid Robot Games.
0:38
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Slow-motion look at the 400m champion’s running form at the World Humanoid Robot Games.

Eren Chen

16,346,578 views • 10 days ago

A Chinese DIY maker spent 15 days bringing a dead king crab back to life in cyberpunk form.
0:58
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A Chinese DIY maker spent 15 days bringing a dead king crab back to life in cyberpunk form.

Eren Chen

636,496 views • 3 days ago

Long Jump from Mini-Pi robot. Doing their best already.
0:48
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Long Jump from Mini-Pi robot. Doing their best already.

Eren Chen

957,217 views • 7 days ago

My favorite moment from the entire URKL Robot Fight! One brutal kick sent the robot's head hanging loose. and it somehow kept fighting like nothing happened! I completely lost it. Had to lower down the volume of my laugh 😂😂
1:46
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My favorite moment from the entire URKL Robot Fight! One brutal kick sent the robot's head hanging loose. and it somehow kept fighting like nothing happened! I completely lost it. Had to lower down the volume of my laugh 😂😂

Eren Chen

6,531,503 views • 1 month ago

A close-up look at the robot crashing after the 100m sprint, sparks flying everywhere before it eventually caught fire.
0:22
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A close-up look at the robot crashing after the 100m sprint, sparks flying everywhere before it eventually caught fire.

Eren Chen

326,727 views • 11 days ago

A Chinese creator built a 9-ton robotic arm that can be teleoperated, then used it to slap a car into retirement.
2:30
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A Chinese creator built a 9-ton robotic arm that can be teleoperated, then used it to slap a car into retirement.

Eren Chen

1,115,054 views • 2 months ago

A new industry is emerging alongside China’s humanoid robot boom: companies specializing in robotic clothing and flexible outer skins. KNITREAL’s RoboSkin uses seamless knitting, multi-directional stretch, and a soft matte finish to conform to moving joints and complex surfaces.
0:23
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A new industry is emerging alongside China’s humanoid robot boom: companies specializing in robotic clothing and flexible outer skins. KNITREAL’s RoboSkin uses seamless knitting, multi-directional stretch, and a soft matte finish to conform to moving joints and complex surfaces.

Eren Chen

706,264 views • 1 month ago

A Chinese robotics team showed how they brutalize humanoid robots. Kicks, pushes, repeated knockdowns, and recovery training—all to build more robust locomotion policies.
0:36
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A Chinese robotics team showed how they brutalize humanoid robots. Kicks, pushes, repeated knockdowns, and recovery training—all to build more robust locomotion policies.

Eren Chen

590,452 views • 1 month ago

A Chinese girl DIY’d a gear-driven 3D-printed Medusa, and it’s oddly mesmerizing to watch. 👀
0:31
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A Chinese girl DIY’d a gear-driven 3D-printed Medusa, and it’s oddly mesmerizing to watch. 👀

Eren Chen

836,470 views • 3 months ago

Galbot ET1 Debut at WRC
0:27
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Galbot ET1 Debut at WRC

Eren Chen

90,931 views • 14 days ago

1.3 meter long Dexterous hand. And it’s for sale.
0:35
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1.3 meter long Dexterous hand. And it’s for sale.

Eren Chen

77,960 views • 13 days ago

“The next trillion-dollar opportunity is Physical AI and Robotics.” — Masayoshi Son, CEO of SoftBank, also just became the richest in Asia
2:08
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“The next trillion-dollar opportunity is Physical AI and Robotics.” — Masayoshi Son, CEO of SoftBank, also just became the richest in Asia

Eren Chen

552,145 views • 3 months ago

HopTo’s Hop-1 is a hybrid hopping-and-flying robot built for rough terrain. It looks weird at first, but the logic is actually pretty smart. Flying all the time burns a ton of energy just fighting gravity, so they let the robot spend most of its time bouncing on a passive spring instead. The rotors mainly steer, put back the energy lost on each hop, and only fully take over when the robot actually needs to fly. HopTo says hopping uses around 25% of the energy of continuous flight. So the whole idea is pretty simple: stay on the ground as much as possible, and only fly when you have to.
1:30
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HopTo’s Hop-1 is a hybrid hopping-and-flying robot built for rough terrain. It looks weird at first, but the logic is actually pretty smart. Flying all the time burns a ton of energy just fighting gravity, so they let the robot spend most of its time bouncing on a passive spring instead. The rotors mainly steer, put back the energy lost on each hop, and only fully take over when the robot actually needs to fly. HopTo says hopping uses around 25% of the energy of continuous flight. So the whole idea is pretty simple: stay on the ground as much as possible, and only fly when you have to.

Eren Chen

92,297 views • 17 days ago

Behind the scenes of AgiBot A3 filming a kung fu short. For a humanoid standing around 5’8” (173 cm), its movements look unbelievably agile—fluid, balanced, and surprisingly stylish.
0:50
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Behind the scenes of AgiBot A3 filming a kung fu short. For a humanoid standing around 5’8” (173 cm), its movements look unbelievably agile—fluid, balanced, and surprisingly stylish.

Eren Chen

135,294 views • 28 days ago

A robot dog you’re actually supposed to take apart. China’s MirrorMe built Black Panther X as a modular, open quadruped platform rather than another closed robot dog. 200+ components, 12 joints, open interfaces + code, 4 m/s speed, 33 Nm joint torque, and support for third-party sensors and payloads. You can assemble it, modify it, program it, and build on top of it.
1:56
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A robot dog you’re actually supposed to take apart. China’s MirrorMe built Black Panther X as a modular, open quadruped platform rather than another closed robot dog. 200+ components, 12 joints, open interfaces + code, 4 m/s speed, 33 Nm joint torque, and support for third-party sensors and payloads. You can assemble it, modify it, program it, and build on top of it.

Eren Chen

95,255 views • 24 days ago

2 people can’t physically hold back the Agibot A3 when it malfunctioned. Looks like a policy degradation under instability.
0:48
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2 people can’t physically hold back the Agibot A3 when it malfunctioned. Looks like a policy degradation under instability.

Eren Chen

402,907 views • 3 months ago

Robotics demo by an NUS PhD: humanoid autonomously avoiding people in real time.
0:35
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Robotics demo by an NUS PhD: humanoid autonomously avoiding people in real time.

Eren Chen

75,297 views • 20 days ago

Just a robotics DIY hobbyist in rural China.
0:46
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Just a robotics DIY hobbyist in rural China.

Eren Chen

51,061 views • 14 days ago

A new Chinese robotics startup, Light Origin, just showcased an impressive single-policy locomotion system. Even with one or both legs restrained, the robot remains mobile by hopping or crawling.
0:24
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A new Chinese robotics startup, Light Origin, just showcased an impressive single-policy locomotion system. Even with one or both legs restrained, the robot remains mobile by hopping or crawling.

Eren Chen

136,962 views • 1 month ago

A Chinese civilian security company built this robotic dog that can autonomously lock onto and track moving targets, day or night.
0:56
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A Chinese civilian security company built this robotic dog that can autonomously lock onto and track moving targets, day or night.

Eren Chen

69,572 views • 22 days ago