Blog

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
Your Heart Rate Can be Monitored Using WiFi

Catwell

The team used an affordable ESP32 chip to monitor heart rates. (Image Credit: Erika Cardema/UC Santa Cruz) Researchers at the University of California, Santa Cruz, have developed Pulse-Fi, a new technology that uses WiFi signals to monitor heart ra...
- 9 Sep 2025
Scientists Develop a New Trick to See Nanoparticles

Catwell

Image showing light scattering of sub-15 nm objects inside and outside a plasmonic nanocavity. (Image Credit: Nature Communications (2025). DOI: 10.1038/s41467-025-63380-8) Researchers from the University of Twente engineered a new technique that ma...
- 3 Sep 2025
Scientists Split a Photon, Demonstrating it Still Has Angular Momentum

Catwell

For the first time, scientists split a single photon (green) into two photons (red) and conserved angular momentum. (Image Credit: Robert Fickler/Tampere University) Scientists at Tampere University split a single photon into two, demonstrating tha...
- 27 Aug 2025
Researchers Develop Mini Brains to Understand Neurological Conditions

Catwell

Development of Multi-Region Brain Organoids using integrated single-nucleus analysis. (Image Credit: AdvancedScience) How many neurons create awareness? Researchers at Johns Hopkins University (JHU) created mini brains called brain organoids compose...
- 14 Aug 2025
NASA Used Optical Satellite Imagery to See the Long-Term Impact of the Megatsunami That Struck in 1958

Catwell

The largest tsunami ever recorded struck Lituya Bay in 1958. (Image Credit: NASA Earth Observatory) In 1958, a huge landslide caused 90 million tons of rock to slam into Alaska’s Lituya Bay. This impact produced a tsunami with a wave height o...
- 24 Jul 2025
Texas Researchers Develop New Technique to Predict Underwater Landslides

Catwell

Underwater landslides can impact offshore infrastructure like wind turbines. (Image Credit: Nicholas Doherty/Unsplash) When underwater landslides hit, they can move huge amounts of sediment into the ocean, potentially damaging offshore infrastructur...
- 22 Jul 2025
ASLM Uses a 3D Scanner to Replicate Vincent Van Gogh Paintings

Catwell

ASML gallery. (Image Credit: ASML/X) I would want a print from this tech, for sure. I fear the potential price. ASML and the Van Gogh Museum partnered to develop a 3D scanner capable of producing extremely detailed replicas of Vincent Van Gogh&rsquo...
- 20 Jun 2025
Researchers Develop a New Device That Splits White Noise into an Acoustic Rainbow

Catwell

The ARE device uses scattering structures to split broadband white noise from a single source into an acoustic rainbow. The sound is mapped on a visible spectrum based on magnitude and frequency. (Image Credit: Science Advances) Researchers from the...
- 18 Jun 2025
Researchers Introduce Metalens Microscope for Medical Applications

Catwell

The metalens-based microscope can address off-axis aberrations and achieve high-resolution wide-field imaging. (Image Credit: Tao Li and Jiacheng Sun (Nanjing University)) Optical technology could soon change thanks to the introduction of metalenses...
- 10 Jun 2025
Open Bionics Launches the Hero Pro Bionic Arm For Amputees

Catwell

Open Bionics’ Hero Pro has a higher payload than other bionic arms. (Image Credit: Open Bionics) Bristol-based robotics company Open Bionics developed and launched Hero Pro, the world’s first wireless bionic arm for amputees. The company...
- 28 May 2025
Earlier This Year, A Private Lander Touched Down on The Moon

Catwell

The Blue Ghost spacecraft touched down on the lunar surface, capturing an image of Earth on the horizon. (Image Credit: Firefly Aerospace) In March, Firefly Aerospace landed its Blue Ghost spacecraft on the Moon's surface, touching down "in...
- 23 May 2025
China Fires Laser at a Moon-Orbiting Satellite in Daytime

Catwell

(Image Credit: marmixer/pixabay) Recently, China’s Deep Space Exploration Laboratory (DSEL) pointed, fired, and deflected a precision laser at a moon-orbiting satellite 80,000 miles away from Earth. This breakthrough with laser technology demo...
- 8 May 2025