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10 large red weather balloons used for DARPA's Network Challenge float outside.
On December 5, 2009, in less than seven hours, the Massachusetts Institute of Technology (MIT)’s Red Balloon Challenge Team found all ten balloons.
Gizmodo : Environment

Two of the most forward-thinking agencies in the United States are joining forces to foster the development of advanced space propulsion. A fireside chat on the new collaboration is scheduled for Tuesday morning, and you can watch it live right here.

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