Skepticism grows around Donut Lab’s “impossible” battery as experts debate capacitor-like behavior and scarce independent test data.

Making a servo tester using an Attiny85 micro chip, Attiny45 also works for this project. This diy servo tester is as good as any other servo tester, the difference is that it can be programmed to do ...

Finnish startup Donut Lab has just released the third independent test of its solid-state ...

HDC dielectric film to enable next-generation pulsed power systems for fusion energy, aerospace, aviation, and grid modernization VALLEY VIEW, Ohio, March 11, 2026 /PRNewswire/ -- Peak Nano today ...

Say hello to the X430 and Q430 ...

We've been up close and personal with Michi's new family members ...

Air conditioners become essential to maintain cooling efficiency and prevent sudden breakdowns during summers. But AC service ...

Basically, VTT hooked up Donut Lab’s to a battery tester and left it idle for 10 days, while measuring the voltage every 10 seconds. According to the results, the cell demonstrated high stability, ...

I had this idea of building my own bicycle lighting system totally personalized, the lights would have the exact lighting pattern I wanted and the shape I decide. That's why I started to build this ...

Earlier this year, Finnish startup Donut Lab grabbed headlines after claiming it had developed the first production-ready solid-state EV battery capable of charging in about five minutes. The ...

With a Leica lens that provides one enormous camera bump, there’s no hiding the biggest selling point of the Xiaomi 17 Ultra.