خودگردی
thumb|upright=1.14|Airflow through a helicopter rotor. Above, the rotor is powered and pushing air downward, generating lift and thrust. Below, the helicopter rotor has lost power, and the craft is making an emergency landing.
thumb|upright=1.14|Airflow through a helicopter rotor. Above, the rotor is powered and pushing air downward, generating lift and thrust. Below, the helicopter rotor has lost power, and the craft is making an emergency landing.
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Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).