Ocean waves as tall as an eight-story building, once dismissed as maritime folklore, can be studied using waves of light, offering hope of predicting where these monsters may appear, U.S. researchers said on Wednesday.
"These giant waves have been featured in many famous literary works from the Odyssey to Robinson Crusoe, but they were just thought to be the subject of myth for a long time," said Daniel Solli of the University of California, Los Angeles, whose study appears in the journal Nature.
These rogue or freak waves can appear out of nowhere on an otherwise calm sea. Their extreme height -- reaching some 98 feet tall -- can batter a ship, smashing it to bits. "Even modern ships are not immune to damage from these things," Solli said in a telephone interview.
"Scientists thought these were just sailor's yarns," Solli said, until they spotted one in the mid-1990s off an oil platform in the North Sea.
Now they are studying how they form. Solli thinks the answer may be found by studying light waves, which behave similarly to water waves.
Solli was studying the properties of light waves traveling in glass when they discovered optical rogue waves, freak brief pulses of intense light similar to the freak water waves.
Solli, a physicist, knew the same physical effect could occur in different physical systems. He began looking at possible explanations and found a stark resemblance between the mathematical equations that describe rogue water waves and his rogue light waves. Continued...
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