HOW IT WORKS | Bicycle helmet, Zippo lighter, Hugo Boss suits | Episode 21

How it Works - Episode 21 - Bicycle Helmet: It protects from the worst kind of injuries and yet it's pretty light. - Zippo lighter: With a guarantee for live come these high-end-lighters - Hugo Boss Suites: The suits from one of the most famous fashion designers in the world - Ring donuts: The...

23 min - How Things Work - Free Documentary

More: How It Works documentaries

Read Deeper: How It Works

1. The Way Things Work Now by David Macaulay (4.3/5) - View on Amazon
2. How Things Work by Louis A. Bloomfield - View on Amazon
3. Thing Explainer by Randall Munroe (4.2/5) - View on Amazon
4. What If? by Randall Munroe (4.3/5) - View on Amazon

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