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Originally posted by notknowing
reply to post by jasmine23
I noticed it last night also. Could not fall asleep. Could not put my head next to the pillow because the vibrations get much louder when I do.
Originally posted by notknowing
reply to post by Hitsuzen
What's your location? Did you notice anything else the first time you realized you were hearing this sound? Were you nauseous? Headache? Were your pets affected? Have you been having plane crashes in your area recently?
(wikipedia)
theoretical ripples in the curvature of spacetime which propagates as a wave, traveling outward from the source. Predicted to exist by Albert Einstein in 1916 on the basis of his theory of general relativity,[1] gravitational waves theoretically transport energy as gravitational radiation. Sources of gravitational waves could possibly include binary star systems composed of white dwarfs, neutron stars, or black holes.
After discovering the mysterious low-frequency buzz in 1998, scientists figured out that the Earth’s hum is caused not by earthquakes or atmospheric turbulence, but by ocean waves colliding with the seafloor.
When two waves of opposite direction but similar frequency collide, they create a special kind of pressure wave that carries energy to the ocean bottom. As these waves pound against the sea floor, they generate a constant vibration with a frequency of about 10 millihertz, much too low for humans to hear but easily detectable with seismometers. By comparing the intensity of the hum with the height of waves around the world, scientists can track where the buzz is coming from.