3 ms·
The "rumor" referred to an array of scintillators dragged behid the submarine, with the ocean water as a detecting medium. In theory, with clear enough water a
by java-man 5y ago
The "rumor" referred to an array of scintillators dragged behid the submarine, with the ocean water as a detecting medium. In theory, with clear enough water and large enough detector volume, that idea might work. I vaguely recall data rate of less than one bit per second.
- extrapickles 5y agoThat sounds a lot like the ELF radio system they used, which basically was used to order submarines to surface (or near enough) to receive new orders as the bandwidth was <1 baud. https://en.m.wikipedia.org/wiki/Extremely_low_frequency https://en.m.wikipedia.org/wiki/Extremely_low_frequency
- ISL 5y agoThe data-rate would be far below 1 bps. The event-rate in SuperK [1] from the Sun was ~0.1/day/kiloton of water. Signalling to submarines would require a Fermilab or T2K-caliber accelerator with an ability to direct a beam, with a properly-oriented pion-decay hall, generally in the known direction of the submarine and highly-synchronized clocks (or a clever time-structure strategy) to allow coincidence-detection for background-suppression. For scale, the MINOS detector [2] detected a couple thousand events with a couple of years of beam-time. [1] https://en.wikipedia.org/wiki/Super-Kamiokande#/media/File:Neutrino_Flus_distribution.gif https://en.wikipedia.org/wiki/Super-Kamiokande#/media/File:N... [2] https://arxiv.org/pdf/1103.0340.pdf https://arxiv.org/pdf/1103.0340.pdf
- cozzyd 5y agoSure you can detect neutrinos that way, especially at higher energies. But you're going to be swamped by natural neutrinos (e.g. atmospherics), unless you have quite the beam. And how do you know where to point the beam?