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Lasting Propulsion And High Speeds For Deep Space Missions Provided by NEXT
2013-09-09 12:11:13

Ion propulsion used to exist only in the imagination of science fiction writers.


Word of the Day
palinode
  • A poem in which the author retracts something said in an earlier poem.
The word 'palinode' comes from Greek roots meaning 'again' and 'song'.
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