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Our capacity to sense some frequencies, or build transducers or transceivers for them is a complication that's beside my point. Audio, including infra/ultrasoni
by Sporktacular 3y ago
Our capacity to sense some frequencies, or build transducers or transceivers for them is a complication that's beside my point. Audio, including infra/ultrasonics does not belong in a diagram labelled The EM Spectrum. ELF, VHF, microwave and light etc. all do.