Using electrochemical impedance spectroscopy (EIS) techniques to help obtain battery working conditions like SOH and SOC.

Explore the fascinating world of restoration and repair! From John Deere tractors and vintage engines to old-school tools and mechanical gadgets, watch as worn-out machines are brought back to life.

The first sign is silence. The fridge quits its tiny opera. The Wi-Fi blinks a farewell. Somewhere, a neighbor yells, “Is it just me?” Nope. The lights are out, but this is not the apocalypse; it’s ...