Eriksen - Science & Tutorials

Magnetic Gears – Torque Without Touch! ⚙️

Tutorials Colin 2026-09-17 17:22 83

Traditional gears wear out, make noise, and need maintenance. This magnetic transmission replaces gear teeth with magnets – no contact, no friction, no wear. Watch how a three‑rotor model (sun gear, ring gear, and a magnetic flux regulator)...

Microwave AI Chip Delivers 2.05-Nanosecond Computing

Science Colin 2026-09-17 16:43 236

Summary: A new microwave diffractive neural network chip combines AI computing and real-time electromagnetic sensing on a semiconductor platform, delivering ultra-fast inference with low power consumption.Researchers have developed a microw...

Liquid Metal Electronics Go Multifunctional with Single-Step Transfer Printing

Science Colin 2026-09-16 17:44 237

Summary：A new single-step transfer-printing method turns liquid metal particles into stretchable electronics with tunable conductive, insulating, and electromechanical properties. The all-liquid-metal platform enables seamless wearable sens...

Coaxial Reverse Propellers Explained 🤯 | One Axis, Two Directions

Tutorials Colin 2026-09-16 17:11 220

Two propellers spinning opposite ways on the same shaft? That’s coaxial inversion. This video breaks down how layered shafts and gears make it work, why it improves stability and efficiency, and where it’s used—from aircraft to motors and m...

Why Are Servo Motors So Precise? (17‑Bit Encoder Explained) 🎯

Tutorials Colin 2026-09-15 17:20 202

Servo motors use pulses for positioning – just like stepper motors – but their precision comes from the rear rotary encoder. A 17‑bit encoder moves only 0.0027° per pulse, requiring 131,072 pulses for one full revolution. And because the sy...

New Cellulose-Based Separator Extends Lithium-Metal Battery Life Beyond 2,500 Cycles

Science Colin 2026-09-15 15:42 206

Summary:Researchers have developed a bikitaite-infused cellulose separator that suppresses lithium dendrites, improves fast-charging performance, and significantly extends the lifespan of lithium-metal batteries.Lithium-metal batteries have...

New Iontronic Pressure Sensor Boosts Robotic Surgery with Near Drift-Free Force Sensing

Science Colin 2026-09-14 17:32 229

Summary: Researchers have developed a high-performance iontronic pressure sensor that combines ultra-high sensitivity with near drift-free operation, enabling safer robotic-assisted injections and more precise laparoscopic surgery.A researc...

Magnetic Couplings – The Genius Way to Prevent Motor Burnout ⚡

Tutorials Colin 2026-09-14 17:01 204

Ever seen a motor burn out because a crusher jammed? Magnetic couplings solve that – no contact, no overload, no damage. Using opposing magnets, they transfer torque through a magnetic field, so if the load jams, the drive shaft just keeps ...

9‑Cylinder Brushless Motor – 70,000 RPM Handmade Beast! 🚀

Tutorials Colin 2026-09-11 17:46 219

I built a 9‑cylinder inner‑rotor brushless motor from scratch – 3D‑printed frame, nine hand‑wound bobbins, neodymium magnets, and plenty of copper wire. The result? A screaming 70,000 RPM. Would you trust this on a model plane? Watch the fu...

PhyFilter Brings Physics-Informed AI to Robots, Boosting Real-World Generalization

Science Colin 2026-09-11 14:35 229

Summary: Researchers have developed PhyFilter, a physics-informed AI framework that significantly improves robot learning generalization, enabling robots and drones to adapt to unseen environments without relying on massive training dataset...

Why Do Drones Have 4 Propellers? The Science of Stable Flight 🚁

Tutorials Colin 2026-09-10 17:17 218

Ever wondered why drones use four propellers instead of one? It all comes down to torque, lift, and control. In this video, we break down how opposite-rotating propellers cancel torque, how yaw is achieved by adjusting diagonal pairs, and t...

TSMC’s Breakthrough in 2D Semiconductor Interfaces Could Reshape the Future of AI Chips

Science Colin 2026-09-10 14:01 120

Summary: TSMC and National Yang Ming Chiao Tung University (NYCU) have solved one of the biggest barriers to commercial 2D semiconductors, opening a potential path beyond silicon for future AI processors and sub-1nm chips.The semiconductor ...

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