Burner barrel and railway track: what they have in common

1. Step 1. Burner barrel — is part of — Bunsen burner. A vertical tube.
2. Step 2. Bunsen burner — uses — Venturi effect (Bernoulli’s principle). Air is drawn in by the jet of gas.
3. Step 3. Venturi effect (Bernoulli’s principle) — is used in — Pitot tube. Dynamic pressure (Bernoulli).
4. Step 4. Pitot tube — is part of — Aeroplane. An air data probe.
5. Step 5. Aeroplane — includes — Wright Flyer. The first aeroplane.
6. Step 6. Wright Flyer — uses — Railway track. The Flyer had no wheels: it took off along a wooden rail.

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