How Do They Do It?
7.5Returning SeriesDocumentary

How Do They Do It?

An insider's look at the engineering and scientific miracles behind the things that form the modern world.

17. Polysulphate Fertilizer, Maple Syrup, Batik Printed Fabrics

Polysulphate Fertilizer, Maple Syrup, Batik Printed Fabrics
10.0Aug 8, 2019 · 22 min

How do they mine a million tonnes of fertiliser from below the sea? And, how do they hand print millions of colourful clothes using the ancient art of batik?