Deadline: Mar 12 2013
Reward: $50,000 USD
This Challenge seeks novel prototypes for a simple reusable timer based on the principles of reverse fluid flow and color change. <
Deadline: Apr 08 2013
Reward: $15,000 USD
A method or treatment is required to allow complete dispersion of PTFE nanopowder particles in a hydrophilic solvent.
Thi
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