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ETH Zurich Engineers Develop Small Magnets That Achieve 38 and 42 Tesla

Catwell — Wed, 25 Mar 2026 19:52:32 GMT

Schematic diagram showing the coils for the magnets. (Image Credit: Science Advances (2026). DOI: 10.1126/sciadv.adz5826.) High-field magnets, especially those for Nuclear Magnetic Resonance (NMR) or particle accelerators, are massive, sometimes bui...(read more)

Device Twists Light, Revealing Its Handedness

Catwell — Tue, 24 Mar 2026 20:03:36 GMT

Harvard researchers developed a device that differentiates the left-or-right handedness of light. (Image Credit: Mazur group at Harvard SEAS) Researchers at Harvard’s John A. Paulson School of Engineering and Applied Sciences (SEAS) recently d...(read more)

Denmark Installs Red Street Lights, Helping with Biodiversity

Catwell — Wed, 18 Mar 2026 19:16:33 GMT

Denmark installed red LEDs in 2022 to help with biodiversity. (Image Credit: Light Bureau) Engineers design things for interaction, for humans. HMI, GUI, touchscreen, simple buttons and switches. We interpret the world back to us. But, what if we di...(read more)

Researchers Develop Water-Based Enzyme Inks, Simplifying the EBFC Manufacturing Process

Catwell — Fri, 13 Mar 2026 19:46:33 GMT

Example of a skin patch health monitor. (Image Credit: Bing Image Creator) Wearable biosensors are quickly evolving, with smaller devices like flexible skin patches continuously monitoring physiological signals. These analyze sweat to measure metabo...(read more)

SWOT Spots Large Waves During Major Storms

Catwell — Thu, 12 Mar 2026 14:15:44 GMT

Storm Eddie produced an ocean wave that reached 19.7 meters tall. (Image Credit: ESA/Planetary Visions) Ocean waves that grow to over twenty meters could threaten maritime safety, offshore infrastructure, and coastal communities. However, measuring ...(read more)

Transatlantic TAT-8 Fiber-Optic Cable is Being Removed from the Seabed

Catwell — Fri, 06 Mar 2026 20:53:18 GMT

(Image Credit: pixabay) For over twenty years, the Trans-Atlantic Telephone 8 (TAT-8) cable sat on the ocean floor in its out-of-operational-use state. Now, SubSea Environmental Services is pulling it from the seabed close to Portugal. The world&rsq...(read more)

Researchers Create the World’s Smallest QR Code

Catwell — Wed, 25 Feb 2026 08:42:32 GMT

The smallest QR code is 1.98 square micrometers and can only be seen under an electron microscope. (Image Credit: TU Wien) TU Wien recently collaborated with Cerabyte, a data storage company, to create the smallest QR code measuring just 1.98 square...(read more)

NASA Made Its Sea Level Changes Data Publicly Available

Catwell — Wed, 18 Feb 2026 20:37:18 GMT

NASA’s reference grid of sea surface height anomalies. (Image Credit: NASA) For over three decades, NASA has been using Sea Surface Height (SSH) products derived from satellite altimetry (TOPEX/Poseidon, Jason series, and Sentintel-6) to track...(read more)

Researchers Captured a Visualization of a Hydrogen Atom’s Electron Orbital

Catwell — Fri, 30 Jan 2026 20:54:58 GMT

These images demonstrate on-resonance tunneling ionization through the Coulomb potential, with non-resonant ionization shown in A) and C). Meanwhile, B) shows resonant ionization producing a two-node wave function pattern. (Image Credit: Stodolna et...(read more)

How many gas sensors can be connected to an ESP32 microcontroller?

siddhatej — Wed, 21 Jan 2026 07:33:11 GMT

I am working on an Electronic Nose / gas sensing project using ESP32. I want to know how many gas sensors can be connected to ESP32 and what are the limitations.(read more)

Clouds of Microplastics Discovered in China

Catwell — Tue, 20 Jan 2026 21:06:18 GMT

This diagram shows ring slices with polymer composition (C-rich, C+0-rich, C+others fractions) for atmospheric microplastics (outer) and nanoplastics (inner) groups, plastic fluxes from single events, TSP from 5-day composites (d, day). (Image...(read more)

LEGO Introduces New Smart Brick at CES 2026

Catwell — Fri, 16 Jan 2026 20:49:17 GMT

LEGO unveiled the Smart Brick, set to launch later this year. (Image Credit: LEGO) The most important announcement at CES 2026 in Las Vegas, LEGO unveiled a more interactive way to play---the Smart Brick, the main piece of its upcoming Smart Play sy...(read more)

Connector Design for Harsh Environments: Miniaturization, IP Ratings, and Signal Integrity

Catwell — Wed, 14 Jan 2026 20:55:45 GMT

(Image credit: Pixabay) Engineers working in industrial, automotive, marine, or outdoor systems know that connectors aren't just passive hardware; they can be a critical point of failure when environments become extreme. Dust, moisture, vibratio...(read more)

Researchers Develop Tactile Screen That Can Be Seen and Felt

Catwell — Fri, 09 Jan 2026 21:02:47 GMT

Researchers developed a screen patterned with tiny pixels that expand outward, forming bumps when illuminated, allowing users to see and feel the animations. (Image Credit: UC Santa Barbara) Researchers at the University of California, Santa Barbara...(read more)

Modern Measurement: How Oscilloscopes and Analyzers Are Adapting to Today’s Designs

Catwell — Fri, 09 Jan 2026 06:15:24 GMT

(Image credit: Unsplash) Electronic designs have become increasingly complex over the decades. A single device can combine high-speed digital interfaces, mixed-signal control loops, RF connectivity, and power electronics, all packed into a tight for...(read more)