Flux

Lithium is increasingly seen as a strategic resource, especially for batteries in dreams of a green future. But where does it come from, and at what cost?

A cyberdeck featuring a QAZ keyboard and Banana Pi M2 Zero - GitHub - g1sbi/qaz-cyberdeck: A cyberdeck featuring a QAZ keyboard and Banana Pi M2 Zero

You might surprise yourself with how fast you'll learn and perfect this useful skill.

Sometimes, DIY repairs lead you down some questionable paths in the hope of even a temporary fix. That's how we got the myth of the phone-saving rice treatment.

Cement production is a huge source of carbon emissions with no green alternative, but a new process that uses waste from demolished buildings could dramatically reduce its climate impact

A new solution from Cambridge University could recycle both concrete and steel at the same time, by throwing old concrete into steel-recycling furnaces. If done using renewable energy, the process could make for completely carbon-zero cement.

Making windows out of wood and stone in antiquity.

The Raspberry Pi shortage has been a meme in hacker circles for what feels like an eternity now, and the Pi 4 seems to be most affected - though, maybe it's just its popularity. Nevertheless, if you'r...

A split ergonomic keyboard that houses its microcontroller inside of a Game Boy Advance cartridge.

The joy of laying the perfect bead is a delicate art. Master the craft and ordinary mild steel becomes a blank canvas of invention.

In our previous article on Ball Grid Arrays (BGAs), we explored how to design circuit boards and how to route the signals coming out of a BGA package. But designing a board is one thing - soldering th...

Our Dwarf Fortress metals guide will help you understand the ores you're finding, set up a metal industry, and start making valuable alloys and weapons.

One of the defining characteristics of the modern world is the ubiquity of steel. Nearly every product of industrial civilization relies on steel, either as a component or as part of the equipment used to produce it. Without it, Vaclav Smil notes in "Still the Iron Age", modern life would largely be impossible: