About this video
This video shows a special drill that can cut through bone but not skin! Steve Mould explains how it works and takes us to Finland to see it in action.
🧠 Quiz & Trivia
Test your knowledge after watching!
Q1 What is the name of the special drill?
Answer: The Halo
Q2 How fast does the drill spin?
Answer: 37,000 times per minute
Q3 Where did Steve go to learn more about the drill?
Answer: Finland
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