How Do They Do It? - Season 13 Episode 15: Sydney Opera House, Handsaws
2016-11-21
- Documentary
How do they turn Sheffield steel into a carpenter's handsaw, make a microphone that can pick up a whisper, and safely steer through a frozen river?.
2016-11-21
How do they turn Sheffield steel into a carpenter's handsaw, make a microphone that can pick up a whisper, and safely steer through a frozen river?.
