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Very low frequency
(VLF, 100 to 10 km, 3 kHz - 30 kHh)
...
Standard Model
Subatomic particle
Elementary particle
Photon
Light
Electromagnetic spectrum
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words: 23
Notably used for communication with
submarines
, so in particular crucial as part of sending an attack signal to that branch of the
nuclear triad
.
Ancestors
(11)
Electromagnetic spectrum
Light
Photon
Elementary particle
Subatomic particle
Standard Model
Particle physics
Physics
Natural science
Science
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