A group of financially-challenged Polish students aren't letting their lack of money interfere with their musical ambitions. Instead, they are applying their initiative and making musical instruments out of objects they find in scrap heaps.
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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