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Wave Interactions May Explain Why Some Tsunamis Are So Powerful
2012-09-19 08:31:09

Ocean waves are a source of calming for meditation, and a source of enjoyment for thrill-seeking surfers. But these waves are also a source of wonder for researchers trying to explain the power of the tsunami.


Word of the Day
pawl
  • A pivoted catch designed to fall into a notch on a ratchet wheel so as to allow movement in only one direction (e.g. on a windlass or in a clock mechanism), or alternatively to move the wheel in one direction.
The word 'pawl' probably comes from a Latin word meaning 'stake'.
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