Aha Trivia Stuff Everyone Should Know
Aha Trivia: Stuff Everyone Should Know · ahatrivia.com/mb-signs-signals-205cf8136574

What is semaphore used for?

Sending messages with flag positions.

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  1. Sending messages with flag positions ✔
  2. Measuring wind speed
  3. Marking trails with rocks

Why: Semaphore is a flag system that spells messages by holding flags in set positions.

Huh, didn't know that: Semaphore is a flag system that spells messages by holding flags in set positions.

The dad joke
Semaphore waves hello with a purpose.
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References

Answer: Sending messages with flag positions. Semaphore is a flag system that spells messages by holding flags in set positions.

  1. Scouting America: Signs, Signals, and Codes www.scouting.org/merit-badges/signs-signals-and-codes
    Wigwag and semaphore both use flags but are completely different systems of communication.
    Checked 2026-11-07.

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