How Do They Do It?
Harp Strings/Roof Windows/Belgian Waffles
Season 12 Episode 8 of 20
Examining how the world's finest harp strings are made, how they build roof windows that can keep out a hurricane, and how to make Belgian waffles
How Do They Do It? airs on Discovery Channel HD at 9:30 AM, Saturday 6 July. (Subtitles.)
Learn more about How Do They Do It? and other education/science/factual topics on our factual page
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