Help spot rare gravitational lenses in the distant universe
Space and astrophysics research made simple
Physics With a Twist
Making the transition from confusion to comprehension, on all scales
The boundless dimensions of math and physics
Discussion and news about planets, exoplanets, and astrobiology
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: Jun 30 2013
Reward: $1,000,000 USD
This is a Reduction-to-Practice Challenge that requires written documentation and&
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