Blog

Can LEDs Influence Human Visual Performance?

Catwell

(Image Credit: BrianPenny/pixabay) University College London (UCL) researchers looked into whether LED lights limited spectral range negatively affects vision. They compared LED office lighting with broader-spectrum incandescent lighting, with infra...
- 5 Jun 2026
Researchers Develop Tiny Memory That Improves as it Shrinks

Catwell

Rendering of the 25-nanometer wide FTJ developed by Science Tokyo. (Image Credit: Yutaka Majima of the Royal Society of Chemistry) Engineers at Science Tokyo developed a 25-nanometer-wide ferroelectric tunnel junction (FTJ) memory that improves perf...
- 12 May 2026
Maker Develops RAM In Backyard Shed

Catwell

RAM. (Image Credit: PublicDomainPictures/pixabay) I’d love to upgrade to DDR5 ram someday, I was just looking at those prices. I think we all know, RAM prices are crazy high due to the AI demand soaking up the memory supply. And there may not ...
- 29 Apr 2026
Electronics Engineer Builds a PLFM Open-Source Radar System

Catwell

Nawfal built an affordable and accessible radar system that operates at 10.5 GHz. (Image Credit: Nawfal Motii) Morocco-based electronics engineer Nawfal developed an affordable, open-source AERIS-10 radar system that combines SDR hardware with ...
- 22 Apr 2026
ETH Zurich Engineers Develop Small Magnets That Achieve 38 and 42 Tesla

Catwell

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...
- 25 Mar 2026
Device Twists Light, Revealing Its Handedness

Catwell

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...
- 24 Mar 2026
Denmark Installs Red Street Lights, Helping with Biodiversity

Catwell

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...
- 18 Mar 2026
Researchers Develop Water-Based Enzyme Inks, Simplifying the EBFC Manufacturing Process

Catwell

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...
- 13 Mar 2026
SWOT Spots Large Waves During Major Storms

Catwell

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 ...
- 12 Mar 2026
Transatlantic TAT-8 Fiber-Optic Cable is Being Removed from the Seabed

Catwell

(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...
- 6 Mar 2026
Researchers Create the World’s Smallest QR Code

Catwell

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...
- 25 Feb 2026
NASA Made Its Sea Level Changes Data Publicly Available

Catwell

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...
- 18 Feb 2026
Researchers Captured a Visualization of a Hydrogen Atom’s Electron Orbital

Catwell

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...
- 30 Jan 2026
How many gas sensors can be connected to an ESP32 microcontroller?

siddhatej

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.
- 21 Jan 2026
Clouds of Microplastics Discovered in China

Catwell

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...
- 20 Jan 2026
LEGO Introduces New Smart Brick at CES 2026

Catwell

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...
- 16 Jan 2026
Connector Design for Harsh Environments: Miniaturization, IP Ratings, and Signal Integrity

Catwell

(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...
- 14 Jan 2026
Researchers Develop Tactile Screen That Can Be Seen and Felt

Catwell

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...
- 9 Jan 2026
Modern Measurement: How Oscilloscopes and Analyzers Are Adapting to Today’s Designs

Catwell

(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...
- 9 Jan 2026
Close-Up - Massive Tsunami Captured for the First Time Ever

Catwell

Image showing the tsunami recorded by the DART buoys and SWOT satellite. (Image Credit: The Seismic Record) On July 29, 2025, a magnitude 8.8 earthquake struck the Kuril-Kamchatka region, triggering a huge tsunami that rolled across the Pacific. Luc...
- 3 Dec 2025
Starfront Observatories Let Amateur Astronomers Get Closer to the Stars Using Robotic Telescopes

Catwell

Astronomers and astrophotographers can rent prime space to deploy their telescopes to explore the night sky. (Image credit: Starfront Observatories) Located near Rockwood, in central Texas, Starfront Observatories built a unique facility that allows...
- 7 Nov 2025
Learn About PC-Based USB Oscilloscopes and the Advantages of PicoScope 7 with element14 and Pico Technology

Catwell

(Image credit: element 14) Recently element14 hosted a one-hour technical webinar, "Scoping Out PC-based USB Oscilloscopes," featuring Ben Ellis, Technical Applications Engineer at Pico Technology. The session, which streamed live on September 11, 2...
- 24 Oct 2025
Meet WOWCube, A Rubik's Cube Reimagined

Catwell

Cubios plans to release the WOWCube later this year. (Image Credit: Cubios) We're familiar with the Rubik's Cube, a favorite childhood 3D twisty puzzle. But, now there's a new twist: WOWCube! Developed by Cubios, this cube is a puzzle r...
- 15 Oct 2025
MEMS and How It Changed The Sensing World

Catwell

An IMU-MEMS sensor. (Image Credit: Gladiator Technologies) The research and development of MEMS (Micro-Electro-Mechanical Systems) technology started in the 1960s. It has seen commercial adoption and industry growth since the 1980s, accelerating in ...
- 3 Oct 2025
Researchers Develop and Deploy an Underwater Color-Correcting Tool

Catwell

SeaSplat clears any obstructions in an underwater image and applies color corrections. (Image Credit: MIT) Researchers from MIT and the Woods Hole Oceanographic Institute (WHOI) developed SeaSplat, a tool designed to produce a replica image of the u...
- 17 Sep 2025