submarines

Rijke Pressure, Taos Hum, Subsonica – The Controversial Sounds Only 2% Of People Hear

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1st real trace / published information about persistent low-frequency environmental hum — 1973: Loudness and annoyance due to low-frequency sound, such as the Taos Hum or other similar phenomena, can have significant impacts on individuals and communities. Here’s how: 1. **Perceptual Effects**: Low-frequency sound waves can be perceived differently by individuals compared to higher-frequency sounds. … Read more

Hunt for Red October — Using Stealth Propulsion for Ocean Travel (MHD Thruster Build)

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https://www.youtube.com/watch?v=Ulk4hw7pUZY from video comments — Reverse this and you get electrical power generation from moving water. Before having his head blown off at high-noon, JFK had recently visited a test facility for doing just this in Canada. Nearly nobody ever talks or writes of it. Shhhh. — Look into halbach array magnet configurations. You can … Read more