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Latest Icebreaker Stories

2006-09-27 08:58:14

WASHINGTON (AP) - The United States should begin construction of two new heavy-duty icebreakers, the National Research Council said Tuesday. There are currently four icebreakers in service but two of them, the Polar Sea and Polar Star, are near the end of their service lives and have experienced mechanical problems requiring extensive repair, according to the report requested by Congress. Of the four icebreakers, those are the only two designed for heavy ice, the study says, so work should...

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2005-02-03 07:23:14

WELLINGTON, New Zealand (AP) -- U.S. ships have delivered food, fuel and equipment to Antarctic science bases, despite fears they would not be able to pass through the ice pack formed behind the world's largest iceberg, officials said Thursday. A fuel tanker and cargo ship, following a 94-mile path cut by icebreakers through up to 10-feet-thick ice, has reached a pier in McMurdo Sound, U.S. National Science Foundation spokesman Arthur Brown said. The ice pack was nearly double its normal...


Word of the Day
tesla
  • The unit of magnetic flux density in the International System of Units, equal to the magnitude of the magnetic field vector necessary to produce a force of one newton on a charge of one coulomb moving perpendicular to the direction of the magnetic field vector with a velocity of one meter per second. It is equivalent to one weber per square meter.
This word is named for Nikola Tesla, the inventor, engineer, and futurist.