Jello wrote: ] ] anuary 19, 2001 -- If humans had radio antennas instead ] ] of ears, we would hear a remarkable symphony of strange ] ] noises coming from our own planet. Scientists call them ] ] "tweeks," "whistlers" and "sferics." They sound like ] ] background music from a flamboyant science fiction film, ] ] but this is not science fiction. Earth's natural radio ] ] emissions are real and, although we're mostly unaware of ] ] them, they are around us all the time. ] ] ] ] "Everyone's terrestrial environment almost literally ] ] sings with radio waves at audio frequencies," says Dennis ] ] Gallagher, a space physicist at the Marshall Space Flight ] ] Center (MSFC). "Our ears can't detect radio waves ] ] directly, but we can convert them to sound waves with the ] ] aid of a very low frequency (VLF) radio receiver." We should also have fingers on the sides of our heads. RE: Earth Songs |