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Caltech Event Marks 75th Anniversary of JPL Rocket Tests
2011-10-13 08:05:59

The 75th anniversary of the first rocket experiments at the site that became NASA's Jet Propulsion Laboratory in Pasadena, Calif., will be celebrated with a special free, public screening of the new documentary.


Word of the Day
ecotone
  • A transitional zone between two communities containing the characteristic species of each.
The word 'ecotone' comes 'eco-' plus a Greek root meaning 'tension'.