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At the extremity of that band, fewer nations have constructed transmitters than have nuclear weaponry. You can combine acoustic with radio in TARF (yes, really

At the extremity of that band, fewer nations have constructed transmitters than have nuclear weaponry. You can combine acoustic with radio in TARF (yes, really).

goodpoint 5y ago
I meant acoustic frequencies in ELF, not using sound... but TARF looks amazing.
ale42 5y ago
see e.g. https://www.mit.edu/~fadel/papers/TARF-paper.pdf https://www.mit.edu/~fadel/papers/TARF-paper.pdf for those who didn't hear about TARF (translational acoustic-RF communication)