This time I bring an electronic kit for beginners, this is a very cheap and interesting device that displays audio levels into the LEDs just like any audio level bar indicator will do. It is simple ...

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

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, ...

An antibody test for the infectious disease mpox was successfully developed during the new clade 1b outbreak in Rwanda, the ...

Donut Lab's third independent VTT test confirms its solid-state battery retains 97.7% capacity after 240 hours idle. Energy density and cycle life remain untested.

Donut Lab released the third independent test of its controversial solid-state battery, this time trying to prove it's not a ...