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Hosein Zeinali
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Tehran, Tehran Province, Iran
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Challenges
by NASA's Human Landing System (HLS) Program
20K
NASA's Lunar Loo Challenge
Help astronauts go back to the Moon in 2024! NASA seeks new designs for a toilet that will work both in microgravity and lunar gravity.
by NASA's Human Landing System (HLS) Program
4K
NASA’s Lunar Loo Challenge - Junior Category
Help astronauts go back to the Moon in 2024! NASA seeks new designs for a toilet that will work both in microgravity and lunar gravity.
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 The Jack Brooks Foundation
365
Help America Vote Challenge
Over 65% of Americans participated in the recent election. Share your ideas to maintain or even increase voter turnout at future elections.
by NASA Tournament Lab
264
NIH Prize for Enhancing Faculty Gender Diversity
NIH Prize for Enhancing Faculty Gender Diversity in Biomedical and Behavioral Science
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NASA Tournament Lab
National Institutes of Health
NASA's Human Landing System (HLS) Program
The Jack Brooks Foundation
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