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A science fiction level breakthrough. MIT’s electrohydraulic fiber muscles bring robotic actuation closer to a biological level. A strand measuring only 2 millimeters in diameter has the same power density as human skeletal muscle. A 22-gram fiber bundle can lift 4 kilograms roughly 200 times its own weight. It...

50,254 views • 2 months ago •via X (Twitter)

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This is WILD! MIT just solved one of the hardest unsolved problems in robotics (Save this). For decades, the fundamental problem with soft robots and wearable exoskeletons has not been compute or AI, it has been actuation. The moment you try to give a soft robot meaningful strength, you run into the same wall every engineer has hit since the field began, fluid-driven systems require external pumps, hydraulic reservoirs, and heavy infrastructure that makes the entire thing impractical to wear or embed into fabric. MIT's new Electrofluidic Fiber Muscles solve that problem by eliminating external infrastructure entirely. The key insight is electrohydrodynamic pumping using electric fields to generate pressure directly from electricity, with no moving parts, no motors, and no external fluid reservoir. The fibers are less than 2 millimeters thick, can be woven into fabric like ordinary textile, and operate in complete silence because nothing physically moves inside them, it is just ions propelling fluid through a closed circuit. The performance numbers published in Science Robotics are not conceptual, they are empirical results from actual hardware. These fibers achieve a power density of 50 watts per kilogram, matching skeletal muscle, with a contraction strain of 20% and a response time of 0.3 seconds. A single bundled configuration lifted 4 kilograms, 200 times its own weight while a separate configuration drove a robotic arm through a 40-degree bend compliant enough to safely complete a human handshake. Another configuration launched objects in under 100 milliseconds, which is faster than a human flinch reflex. The design mirrors biological muscle architecture in a way that prior artificial muscle approaches never achieved. The fibers are organized into antagonistic pairs, one contracts while the other extends, exactly like biceps and triceps and because the system runs in a closed loop, the relaxing fiber serves as the fluid reservoir for the contracting one, which is what allows the whole system to operate untethered with no external tank. The applications are not hypothetical but rather are the exact use cases the industry has been waiting years for the hardware to catch up to. Exoskeletons for physical labor, prosthetic limbs that move with the natural compliance of biological tissue, assistive garments for patients with motor disorders, and soft robots capable of safe physical contact with humans are all immediately unlocked by a muscle technology that is silent, lightweight, and weavable into clothing. The deeper significance is what this technology does when it meets the AI robotics wave that is already underway. Every major humanoid robot program, Figure, 1X, Boston Dynamics, Tesla Optimus is currently bottlenecked by the same hardware limitations these fibers address, actuators that are too rigid, too loud, too heavy, or too dependent on infrastructure to operate naturally alongside humans. Electrofluidic fiber muscles do not just solve a materials science problem but rather they remove one of the last physical barriers between robots that live in labs and robots that live in the world.

Milk Road AI

1,208,301 views • 4 months ago

‼️‼️🇺🇲 BIG | The USA for the first time shot down a fiber-optic drone The American company Epirus reported a significant breakthrough in the field of countering drones. Its microwave system "Leonidas" for the first time hit a drone with fiber-optic control - one of the most difficult targets for modern electronic warfare means. Previously, the complex had already hit a swarm of 49 drones, but the new test was particularly significant. In December 2025, at a closed test range of the US Army, the system was able to disable a fiber-optic UAV, depriving it of control and causing an uncontrolled fall. Fiber-optic drones, which are widely used today, including in the Ukrainian theater of operations, do not use radio control channels. The signal is transmitted via a thin fiber-optic cable, which makes such drones extremely difficult to detect and suppress. In a report by the US Army in 2024, such drones were called "one of the main threats to air defense systems and anti-drone warfare". The CEO of Epirus noted that the mass spread of fiber-optic UAVs has become a turning point in the evolution of unmanned warfare and has revealed a serious gap in anti-drone defense systems - a gap that "Leonidas" is designed to close. In 2025, Epirus received a contract for $43.5 million for the supply of two second-generation "Leonidas" systems. Its range of destruction is more than twice that of the first version; a 30% increase in power; there are built-in high-energy batteries; a reduction in dependence on external power supply. The system can be installed on: Stryker 8×8 armored vehicles, light tactical vehicles, other mobile platforms. See the latest updates with us: Visioner

Visioner

55,027 views • 8 months ago

🚨 BREAKING: Big news in the computer vision world! 🎥 Luxonis | Robotic Vision just dropped its new OAK 4 line, and it’s a big upgrade for edge computer vision. Instead of being “just a stereo camera,” OAK 4 is a fully standalone vision computer with 52 TOPS of on-device AI. Models run locally, depth is computed locally, and no external PC or cloud pipeline is required. This is why robotics teams love it: lower latency, lower cost, fewer failure points in the field. The hardware is built for the real-world. IP67, shock-resistant, wide-FOV RGB + stereo pair, IR projection, IMU, audio, and a patent-pending calibration system that keeps depth accurate even when conditions change. But the real move is the platform. With Luxonis Hub, you can deploy models, grab telemetry, push OTA updates, or collect data when performance drifts, all from a unified interface. It turns a single device into an end-to-end edge CV system. Most customers today in robotics are groups who just want something that works: AMRs, bin-picking systems, trailer-loading robots, and ag-tech. 🤖 And they all say the same thing, the appeal isn’t raw TOPS, it’s the all-in-one simplicity that lets them scale without building custom infrastructure. Feels like the direction edge vision has been waiting for: rugged hardware + high-throughput on-device compute + a real management layer. A next step toward “plug-and-deploy” perception for robots. 🔗 Find out more here: ~~ ♻️ Join the weekly robotics newsletter, and never miss any news →

Lukas Ziegler

41,955 views • 9 months ago

This morning my wife & I watched the live stream of the humanoid robot games. Most of the live stream is quite boring, with a camera wandering around the arena looking for action. But while many demos feel unimpressive, what is interesting is not the level, but the change. Bad robots can still represent an extraordinary trajectory. The trajectory seems impressive in scale and skill. Watching the opening ceremony and seeing the robots march in unison sends an eerie military message. The images are ominous. You don’t want to mess with a country that can ship endless waves of mechanized soldiers. In the 2010s, demos used to involve a robot or two. The scale of the parade alone is a meaningful uptick in a key derivative. But some demos are also impressive in skill. The robots that played tennis or ping pong are reacting in fractions of a second while adjusting their balance and position while targeting a ball. This seems simple to us, but two decades ago, having a humanoid walk up or down a few steps was considered a good demo. So the slope in skill is there as well. So how should we interpret this? On the one hand, as a scholar, I totally respect the effort. It is a competition filled with startups, grad students, and lab directors who have poured their heart and soul into making these robots. At the end of the day, the event is like an academic conference serving also as a public display of how much the field of robotics has advanced. It is a testament to a growing industry. On the other hand, I also feel the clear military implications and undertones. It is mostly a local event. There are only a few teams not from China, which feels lopsided for a technology with strong geopolitical implications at a time when global cooperation is weak. The key question to focus on is where these humanoids be in 5 or 10 years. Robotics has been around the corner since before I was born. But this time it feels like the technology and the market are coming together within an economy that is vast & booming. Remember that when it comes to scale, China is not a country, but a “planet.” Its domestic market alone might be enough to scale a strategic sector. If the trajectory continues, maybe China will become the first “planet” on Earth to mass-produce artificial people.

César A. Hidalgo

34,749 views • 1 month ago