Strange Hum Keeping World Awake

It is not just in Seattle that people are hearing these sounds, but in Seattle it is most likely from the Bangor Naval Submarine Base communication system (20 miles West of Seattle). The USA talks to the subs on an ultra low radio signal, which at times can be perceived by humans in a weird way, by 2 to 10% of the population. This is not the first time this has happened. See

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