Plant fibers and radar: what they have in common

1. Step 1. Plant fibers — is material for — Rope. Flax, hemp, now synthetics.
2. Step 2. Rope — is part of — Kite. The line holds the kite and passes the tension to the hand.
3. Step 3. Kite — evolved into — Glider. Lilienthal and Cayley studied the wing with kites and gliders.
4. Step 4. Glider — has part — Wing. Wings.
5. Step 5. Wing — is part of — Jet airliner. A swept wing.
6. Step 6. Jet airliner — has part — Radar. A weather radar.

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