Engineers build robotic fish that swim, dock and recharge themselves with no feeding required

Watching fish glide silently around a tank is one of the most relaxing hobbies a person can pick up, but keeping an actual ...
MUO on MSN

5 things to build with the $4 chip that's outselling the Raspberry Pi

The ESP32 keeps finding new jobs in my house.

Engineers create 3D-printed robotic fish that swim, play and recharge themselves through automated charging systems. Here's all you need to know

Engineers have developed robotic fish that mimic real aquatic life, offering an aquarium experience without the upkeep. These miniature submarines, powered by Arduino and guided by an overhead camera ...
Elektor Magazine

Wi-Fi-Based Person Detection on an ESP32: When Your Router Becomes a Motion Sensor

Can an ESP32 detect people without cameras or motion sensors? Discover how Wi-Fi signal disturbances, CSI, and smart DSP enable real-time occupancy and mov ...

US home battery installations hit record high on rising electricity costs

US homeowners have embraced home batteries in record-breaking numbers in early 2026, spurred on by state incentives while ...

I Slashed My Power Bill in Half With a Whole-Home Battery

Power companies are pushing aggressive time-based use pricing. A whole-home battery backup allows you to stop paying to build ...
Interesting Engineering on MSN

New zinc battery stores 7x more energy, keeps 82% capacity after 1,500 cycles

A UCLA-led research team has developed a zinc-ion hybrid battery with a 3D-printed electrode ...
Tech Xplore on MSN

Team uses 3D printing to develop zinc-ion hybrid battery with seven times more energy

Storing solar and wind energy to meet the increasing power needs of the electrical grid calls for devices that can deliver ...

New iFixit video shows how an iPhone battery is made

In a video published today on its YouTube channel, iFixIt shows the surprisingly analog process of fully assembling and ...
Rock Paper Shotgun on MSN

Space shooter Hyperwired gives you a ship with a doofy power cable hanging out the back and challenges you to keep its battery charged

Created by Spanish devs Sidralgames, Hyperwired is a gleeful space shooter in which you have to keep plugging in your ship to ...
Elektor Magazine

Real-Time Air Traffic Radar using ESP32 + ADS-B Data

It uses free API key with Live ADS-B data, presented in a beautiful visual display with smooth animation, and a custom-built ...
TechCrunch

GM joins race to build batteries for AI data centers and the grid

The race to secure power for AI data centers has spilled over into some unusual places, including the automotive world. Battery recycler Redwood Materials kicked off the trend last year with a new ...