Before factories and automation, steel was made by hand—slowly and deliberately. This video follows the traditional Japanese process of making tamahagane steel using iron sand, charcoal, and a clay ...

Steel is essential in today’s economy. It’s in everything from cars and buildings to medical equipment and wind turbines. But making steel from scratch is not great for the climate. At least not the ...

Because the current reactor can only make about a ton or two of material per month, the company plans to build an even larger demonstration plant set to come online in 2026 and begin operations a year ...

Making steel produces a lot of greenhouse-gas emissions. Now, construction is underway in Sweden on an industrial-scale plant that will emit almost zero carbon dioxide. Boston Metal, LKAB, Midrex, ...

The Swedish startup Stegra has raised close to $7 billion to produce zero-emissions steel using green hydrogen starting in 2026. As of 2023, nearly 2 billion metric tons of it were being produced ...

If you spend enough time working with steel, you start to notice something strange. Two parts, same material, same settings, same machine—and yet the results don’t always match. For many operators, ...