On August 5th (or 6th, depending on your time zone) NASA plans to land the Curiosity rover on Mars. First, they'll have to overcome incredible speeds and the Martian atmosphere. Scientific American editor John Matson explains how.
Deadline: Jun 29 2013
Reward: $7,000 USD
The Seeker for this Challenge desires proposals for chemical methods that could rapidly degrade a dilute aqueous solution
Deadline: Jul 14 2013
Reward: $1,000,000 USD
This is a Reduction-to-Practice Challenge that requires written documentation and&
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