How Do They Do It?

Name: Harp Strings, Roof Windows and Belgian Waffles
Released: 2015-07-05T00:00:00.000Z
Duration: 21 min 47 s

S12, EP8 "Harp Strings, Roof Windows and Belgian Waffles"

Making the world's finest harp strings; building roof windows that can keep out a hurricane; making Belgian waffles.

Original Air Date: Jul 5, 2015Science22m

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