These are some great DIY projects that you can do for cheap.
This noise generator has an adjustable bandwidth and a consistent amplitude no matter what bandwidth is selected. When working on a recent Design Idea for an adjustable filter, I wanted to use an ...
Researchers in Germany have developed a battery that can transmit information from inside the ...
A battery that "talks" does not use words—it communicates through data. Researchers at Kiel University have demonstrated how ...
Laser-based sensor developed by KAUST researchers to detect early signs of lithium-ion battery thermal runaway. Credit: KAUST / Professor Aamir Farooq A Saudi Arabian university research team has ...
Sold by German DIY store OBI, the OBI Energy Tracker is a €15 set of two devices, one of which you essentially stick on top ...
The device, which pulls moisture from the atmosphere to form its electrolyte, could power wearable health monitors ...
Replacing a car battery was one of the first things I learned to do on a car. I’ve probably replaced a dozen batteries under various conditions—in my garage, outside in the snow, in a store parking ...
We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Sarah Witman Sarah Witman is a writer focused on batteries and charging ...