How Do They Do It?

1:00 AM to 1:30 AM
Sunday 13 October
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Season 16 Episode 19 of 20

How do they make an almost invisible hearing aid that connects wirelessly to your phone? And, how do they build the carriages for London's new underground railway?

How Do They Do It? airs on Discovery Turbo +1 at 1:00 AM, Sunday 13 October. (Subtitles.)
Topics
Education ➝ Science ➝ Factual Topics
General