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Felix Gruber
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Graz, Steiermark, Austria
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by NASA Tournament Lab
1.8K
NASA's Lunar Delivery Challenge
Landing on the Moon with all that we need is just the beginning. Now we have to unload it. Your ideas can help jump-start the space economy
by World Vision
35
Low-Cost Chlorine Monitoring for Rural Piped Water Systems
Want to use your technical skills to impact millions? Design a much cheaper method to monitor the concentration of free residual chlorine.
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