In this DIY tutorial, learn how to create your very own mini generator 220v at home using a basic DC motor. Perfect for ...

A generator can save the day when the power goes out, but only if it’s set up and maintained the right way. Too many people ...

Oct. 10, 2025 — Scientists at EPFL have reimagined 3D printing by turning simple hydrogels into tough metals and ceramics. Their process allows multiple infusions of metal salts that form dense, ...