A Canadian inventor has developed ice skates that will greatly increase the speed of skaters on the rink. With high-compression springs in the blade, skaters will be able to take advantage of the kinetic energy stored in each step.
Deadline: Jul 25 2013
Reward: Varies
This challenge provides an opportunity for Solvers to build a web-based or mobile “app” to explore data relationships in scholarly conte
Deadline: Jul 30 2013
Reward: $100,000 USD
The Seeker desires a method for producing pseudoephedrine products in such a way that it will be extremely difficult for clandestine che
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