Semaphore (disambiguation)

Semaphore usually refers to flag semaphore. It may also refer to;

Optical-telegraph systems
  • Semaphore telegraph, a system of long-distance communication based on towers with moving arms
  • Railway semaphore signal for railway traffic control

Other
  • Traffic semaphore, another name for automotive traffic lights based on their early resemblance to railway semaphores
  • Turning semaphore or trafficators, retractable arms to indicate turns on automobiles from the 1920s to 1950s
  • Semaphore (programming), in computer science, a mechanism for supporting mutual exclusion in concurrent programs
  • Semaphore (software), a continuous integration testing utility
  • Semaphore, South Australia, a historic seaside suburb of Adelaide
  • Semaphore railway line, Adelaide, a closed railway line in South Australia
  • Semaphore (album), a 1998 album by Fridge
  • Semaphore (song), the 2004 7" single by the New Zealand post-rock band Jakob
  • Semaphore, fictional professor in Cubitus comic strips or Wowser cartoons
  • Semaphore Corporation (company), a software and publishing firm that operated from 1982 to 2017
gollark: It is the Switchcraftpocalypseofdoom.
gollark: `component.modem.broadcast(1, "nanomachines", "setInput", 1, true)` does nothing on a wireless-modem-equipped computer which I'm standing beside. I drank some nanomachines and they seemed to do something, because I have a power bar thing.
gollark: Does anyone know if the nanobots have some weird requirements I'm missing?
gollark: <@173511059582222336> How is the serverwide price comparison thing going?
gollark: I'm standing right next to it, but nothing happens when I do `modem.transmit(1, 0, "nanomachines", "setInput", [lots of numbers because it's in a for loop], true)`.

See also
  • International maritime signal flags, one system of flag signals representing individual letters of the alphabet in signals to or from ships
  • Telegraphy, the long-distance transmission of written messages without physical transport of written letters
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