How Do They Do It?
S13E1522 min· aired 11/21/2016
Sydney Opera House, Handsaws
TMDb0.0
Overview
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?
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?