The latest news regarding more efficient batteries includes an iron-air system built from safe, low-cost materials—iron, ...

An iron-air battery that stores and releases energy through a reversible rusting process has become the first of its kind to connect with a public electricity grid. On 30 July, the startup Ore Energy ...

In this video, I demonstrate the construction of an electrolysis machine for rust removal. The process involves a try-ang p5.5 model railway power controller, connecting the positive terminal to mild ...