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2011-01-18 11:31:25

By Tony Fitzpatrick, Washington University in St. Louis Careful analysis shows seismometer noise includes signals from storms in the South Atlantic and 'footquakes' from soccer matches. If you wander up to a seismograph in a museum, unless you are lucky enough to be there right during an earthquake, all you will see is a small wiggly signal being recorded. What's inside the wiggles is called noise by seismologists, because the signal is always there and originates from the normal activity of...


Word of the Day
mallemaroking
  • Nautical, the visiting and carousing of sailors in the Greenland ships.
This word is apparently from a confusion of two similar Dutch words: 'mallemerok,' a foolish woman, and 'mallemok,' a name for some persons among the crew of a whaling vessel.