Eriksen - Science & Tutorials

ETH Zurich Engineers Turn a Human-Like Robotic Hand Into a Self-Walking Mobile Robot

Science Colin 2026-09-24 15:32 113

Summary: ETH Zurich researchers have developed a self-walking robotic hand that can crawl across diverse terrain, recover its balance, and interact with objects, opening new possibilities for mobile robotics in confined spaces.A research te...

South Korean Nanoelectrode Breakthrough Could Enable Lighter, Longer-Range EV Batteries

Science Colin 2026-09-23 18:09 122

Summary: South Korean researchers have developed a nanoscale electrode architecture that could improve the performance and lifespan of anode-free lithium batteries, a promising technology for next-generation electric vehicles. The advance m...

Hybrid Stepper Motor Explained: 1.8° Step Angle & 200 Positions! 🤖

Tutorials Colin 2026-09-23 17:36 118

Quick answer: A hybrid stepper motor uses a permanent-magnet rotor, a 50-tooth high-permeability structure, and switched stator coil groups to move 1.8° per step—giving 200 precise positions per revolution. This is how high-precision roboti...

New Nanoscale Conductive Film Enables 500% Stretchable Electronics Without Heat or Pressure

Science Colin 2026-09-22 17:41 135

Summary: Researchers have developed an ultrathin conductive film that combines extreme stretchability, high breathability, and room-temperature bonding, opening new possibilities for wearable electronics and soft robotics.A team of research...

3 Types of Hall Effect Sensors – 44E vs 41F vs 49E Explained 🔍

Tutorials Colin 2026-09-22 17:14 144

Not all Hall sensors work the same way. In this video, we test three common models: the 44E unipolar switch, the 41F bipolar latching switch, and the 49E linear sensor. See how each responds to a magnet – from simple on/off, to latching wit...

How Stepper Motors Achieve Linear Motion – Lead Screw Explained ⚙️

Tutorials Colin 2026-09-21 17:28 81

Stepper motors rotate – but how do they move things in a straight line? The answer is a lead screw mechanism. In this video, we break down how an external drive nut and screw threads convert rotary motion into precise linear movement. You&#...

Tri-RoboInsect: 140-mg Robot Flies, Crawls, Glides on Water, and Dives Using a Single Morphing Body

Science Colin 2026-09-21 16:14 102

Summary：Researchers have developed a 140-milligram insect-scale robot that can fly, crawl, glide on water, and perform controlled underwater immersion by reusing a single shape-shifting structure for multiple functions.A team of researchers...

I Built a 200F Supercapacitor with Copper Foil ⚡ (It Actually Works!)

Tutorials Colin 2026-09-20 17:47 79

Can copper foil replace aluminum in a supercapacitor? I made a DIY electric double-layer supercapacitor using copper current collectors, activated carbon, graphite, paper, and NaOH electrolyte. It reached around 200F and even ran a small mo...

Record-Low Thermal Conductivity Perovskite Could Transform Thermal Insulation Technologies

Science Colin 2026-09-20 16:30 120

Summary: Researchers have developed a rigid hybrid perovskite material with thermal conductivity approaching that of air, opening new possibilities for energy-efficient coatings, batteries, electronics, and thermal management systems.A rese...

Robot Morphology Unlocks Collective Intelligence in Swarms, Study Finds

Science Colin 2026-09-18 17:35 101

Summary: Researchers have shown that small changes in robot body design can dramatically alter swarm behavior, enabling collective phototaxis and self-organized clustering without complex computation.Researchers from Sorbonne University, CN...

Robot Grippers Explained – The Hands of Industrial Robots 🤖

Tutorials Colin 2026-09-18 17:05 76

What are robot grippers? They’re the “hands” at the end of a robotic arm, enabling pick‑and‑place, assembly, inspection, and machine tending. From two‑finger and three‑finger designs to vacuum and inflatable grippers, there’s a type for eve...

Spintronics Advances Point to Faster, Low-Power Memory and Beyond-CMOS Computing

Science Colin 2026-09-17 17:49 214

Summary: A new Science Advances review highlights how spintronics is moving from magnetic sensing and MRAM toward energy-efficient computing architectures that could extend beyond conventional silicon electronics.A comprehensive review publ...

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