Nickel Iron Cell How to do the Nickel Plating

How I Mass Produced Potassium Metal In The Backyard

Mining Magnetite

How to re-chrome an anchor windlass!

Physicist Hans Coster on using Nickel-iron batteries

They banned my super cheap heating! 😡 New Diesel heater hacks tested proving efficiency and safety 🤯

How hot does hydrogen actually burn ?

Can we DIY ultra efficient UFH with a heat pump?

Nickel Iron Cell

The Smart Tricks Inside Telescopic Machines

Every Component of a Linear Power Supply Explained (while building one)

Repairing a Box of broken power tools from a steel fabricator.

Making a hydraulic briquette press

Homemade Autocascade Refrigeration System (plus Anhydrous Ammonia)

Repairing a modified dollar store light

Many Moving Magnets Melting Metal

Boring Wooden Pipes and Hand Pumps

SOLVING the Mystery Behind a Soviet Spy Bug : A True Masterpiece of Technical Elegance!

Using Thermite to Cast an Iron Pan

Cheap electricity from wood? sustainable DIY power plant 🤯 off grid gas producer gasifier generator