An experimental heat shield developed by NASA has survived a trip through Earth's atmosphere while travelling at hypersonic speeds up to 7,600 mph (12,231 kph).
Deadline: Jul 15 2013
Reward: $5,000 USD
SciBX: Science-Business eXchange, a joint publication from the makers
Deadline: Jun 30 2013
Reward: $1,000,000 USD
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