How Do They Do It? S13E15: Cooling of the building; Saws; Microphones
- Aired: 2015-11-20
- Time: 22:00:00
- Runtime: 30 minutes
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Overview
The complex technological processes involved in cooling the iconic Sydney Opera House. Plus, an insight into how Sheffield steel is transformed into a carpenter's handsaw, and the production of a microphone capable of picking up a whisper.