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Track Usage: Must-Know Knowledge & Real-World Experience
Tutorials Colin 2026-05-08 17:00 297
This video provides a detailed explanation of the disassembly and assembly principles and methods for tracks used in tracked vehicle chassis. It covers the construction of a complete closed-loop track, the interlocking connection of individ...
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Dutch Iron Powder Project Secures €100M to Decarbonize Factories
Science Colin 2026-05-07 11:44 275
Abstract：A Dutch-backed iron powder fuel technology offers high-temperature, carbon-free industrial heat through a recyclable combustion cycle, poised to scale from pilot projects to commercial deployment in Europe.A Dutch spin-off from Ein...
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DIY Variable Speed Magnetic Coupler | Contactless Design With Zero Mechanical Wear
Tutorials Colin 2026-05-06 17:03 285
This magnetic coupling has no gears, no mechanical wear, but suffers from very low torque due to magnetic limitations. However, it enables leak‑proof transmission and automatic overload protection. In this video, we push its performance to ...
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Build an RC car with four brushless motors — Will all four wheels spin separately?
Tutorials Colin 2026-04-30 16:48 293
Watch how four brushless motors come together to create a surprisingly agile RC car. From building a sturdy chassis and steering system to programming the remote, this project showcases impressive craftsmanship and creativity. See it accele...
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Design a Vacuum Energy Storage Device Using Atmospheric Pressure
Tutorials Colin 2026-04-30 14:46 286
Can atmospheric pressure store energy? This DIY project builds a vacuum battery that charges by pulling pistons against air pressure and discharges by letting them push back. With 73% efficiency—comparable to pumped hydro—it’s a promising m...
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DIY Smart Robotic Arm | Build It Completely From Scratch
Tutorials Colin 2026-04-29 15:25 239
I’m building a 6-axis robotic arm from scratch to fulfill the Iron Man dream. I compare servos, robot joints and stepper motors, and settle on an STM32 controller paired with stepper motors and planetary gear reducers. I also walk you throu...
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Only 3 Components! Turn a 12V Transformer into an Inverter
Tutorials Colin 2026-04-28 17:44 329
Build a simple 12V to 220V inverter with just one transformer and three components! Perfect for power outages or outdoor use. This step-by-step tutorial shows you how to use a D688 transistor, two cement resistors, and a mains-frequency tra...
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Building a Novel Pendulum Power Generator
Tutorials Colin 2026-04-28 17:03 265
This video shows how a pendulum generator turns a ship’s rocking motion into electricity – even when all power is lost. Starting from a simple magnet and copper block, we build a large 40 kg pendulum, add coils, rectifiers, and capacitors, ...
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Your Phone Is Full of Hidden Sensors! Everything You Didn’t Know
Tutorials Colin 2026-04-24 17:43 303
This video introduces common sensors in smartphones, such as the accelerometer, gyroscope, geomagnetic sensor, ambient light sensor, and proximity sensor, explaining how they enable features like auto-rotation, screen-off during calls, step...
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Build a 1.8KW Generator From Scratch! Master Its Working Principle
Tutorials Colin 2026-04-24 14:56 287
This video introduces the production process of a high-efficiency homemade discgeneratorwith simple materials and low costs.It explains the basic power generation principle of magnets and coils, as well as the structural design of the rotor...
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How a Chip Is Made Step by Step
Tutorials Colin 2026-04-23 15:50 276
From quartzite rock to a $100,000 CPU — this video reveals the mind-blowing journey of chip manufacturing. See how silicon wafers are transformed through photolithography, testing, and stacking into processors packed with billions of transi...
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CATL Unveils 3rd-Gen Shenxing Superfast-Charging Battery, Charging to 98% in 6 Minutes
Science Colin 2026-04-22 10:26 413
Abstract：CATL's third-generation Shenxing battery charges fully in just 6 minutes, setting a new speed record. With advanced cooling and self-heating tech, it maintains over 90% health after 1,000 charge cycles. CATL leads the global ba...
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