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The Digital Aviator

• August 24, 2008
• 

  BBC NEWS | Science/Nature | Solar plane makes night flights

  Posted: August 24th, 2008, 5:21am EDT by Norman

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  The Zephyr-6, as it is known, stayed aloft for more than three days, running through the night on batteries it had recharged in sunlight.
  ...The flight was a demonstration for the US military,