Eriksen - Science & Tutorials

How Does an Electric Motor Work? | 3D Animation That Finally Makes Sense ⚡

Tutorials Colin 2026-07-10 17:09 209

Ever wondered what actually makes a motor spin? It's NOT just electricity – it's magnetism! In this video, I break down the science behind electric motors with clear 3D animations. From magnets and electromagnets to the commutator, ...

NEO Humanoid Robot Introduces 25-DOF Dexterous Hand, Advancing Human-Like Robotic Manipulation

Science Colin 2026-07-10 14:08 267

Summary:The launch of the NEO humanoid robot’s 25-DoF dexterous hand brings robots closer to human-like manipulation through tendon-driven mechanics, tactile sensing, and a highly flexible design.A humanoid robotics company has unveiled the...

Palm‑Sized DIY Drone with Camera – Can It Actually Fly? 🤯

Tutorials Colin 2026-07-09 16:46 198

I built a tiny drone from scratch using four small motors, a bottle cap frame, and a flight controller – and it actually flies! 🚁 Even crazier – it carries a working HD camera and can flip mid‑air. No strings attached (literally – I flip it...

DIY Solar Tracker Circuit Using TDA2822 | Automatic Light Tracking for Solar Panels

Tutorials Colin 2026-07-08 17:24 350

Want to make your solar panel automatically follow the sun? 🌞 In this video, I’ll show you how to build a simple light‑tracking circuit with just a few components – a TDA2822 audio amplifier IC, two LDRs, a DC motor, and a 3.7V battery. The...

Caltech Ultrafast Optical Chip Steers Light in 74 Femtoseconds for Next-Generation Photonic Technologies

Science Colin 2026-07-08 15:49 247

Summary:Caltech researchers have developed an ultrafast optical metasurface chip that steers light beams in 74 femtoseconds, opening new possibilities for next-generation photonic computing, ultra-fast communications, and advanced optical s...

Capacitors Explained – The Water Tank Analogy (Beginner Friendly)

Tutorials Colin 2026-07-07 17:11 193

Ever unplugged your charger and noticed the LED stays on for a second? That’s the capacitor doing its job! ⚡ In this video, I break down how capacitors work using a simple water tank analogy – no engineering degree needed. Learn why they st...

Valar Atomics and NVIDIA Demonstrate Nuclear-Powered Blackwell AI Computing System in Utah

Science Colin 2026-07-07 10:32 305

Summary:Valar Atomics and NVIDIA have demonstrated a grid-independent nuclear-powered AI computing system in Utah, linking a Ward 250 microreactor with NVIDIA Blackwell GPUs to explore zero-carbon, low-water AI infrastructure.San Rafael Ene...

Servo Twitching & Spinning Wild? Here’s the One‑Time Fix!

Tutorials Colin 2026-07-06 17:05 232

Is your servo twitching or spinning erratically when powered directly from your Arduino/ESP32? That’s a classic power shortage issue – the onboard regulator can’t handle the inrush current. In this video, I explain why it happens and show y...

DIY Universal LED Driver Circuit – No Driver? No Problem! 💡

Tutorials Colin 2026-07-06 15:42 260

Got an LED but no driver, or your driver just died? This simple, universal driver circuit can replace almost any failed LED driver. In this video, I’ll show you how to build one with just a few common parts: 1N4007 diodes, a CBB capacitor, ...

NVIDIA and UC Berkeley Launch T-Rex Tactile Foundation Model, Tackling Performance Degradation in VLA Fusion with Touch Sensing

Science Colin 2026-07-03 16:49 283

Summary：NVIDIA and UC Berkeley have introduced T-Rex, a tactile foundation model that uses a decoupled encoding architecture to resolve performance degradation in VLA systems when integrating touch sensing. Built on a dataset of 7,700+ real...

How Do Batteries Actually Work? (It’s Not What You Think)

Tutorials Colin 2026-07-03 11:07 208

Did you know the invention of the battery traces back to a frog’s twitching leg? In this video, we break down the inner workings of non‑rechargeable batteries using a classic zinc‑copper experiment. Watch to understand how electrons flow, i...

CATL TENER Sodium-Ion Energy Storage System Launch 2026: First Field-Validated Sodium BESS for Grid-Scale Commercial Deployment

Science Colin 2026-07-02 17:49 270

Summary:CATL has introduced the TENER Sodium Energy Storage System in Munich as the first field-validated sodium-ion BESS targeting grid-scale applications. The platform emphasizes modular architecture, system-level efficiency optimization,...

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