On Dec 4, 9:26*am, "Mark." wrote:
http://news.discovery.com/space/secr...ds-in-californ...

"Shrouded by darkness, the military’s miniature space shuttle -- a
unmanned robotic craft -- returned early Friday from a trial run in
orbit that spanned 224 days."

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Mark IV

"Rather than hydrogen-oxygen fuel cells like the space shuttle
orbiters, the X-37B is powered by gallium arsenide solar cells with
lithium-ion batteries."

WHAT DID THEY JUST SAY? Now they're
using solar cells and lithium-ion batteries?!

Who predicted that?

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Mark IV