Explore
Challenges
For Business
For Startups
Who We Are
Results
Get Started
Launch a challenge
Connect with talented problem solvers
Solve a challenge
Join our community and win prizes
Log In
menu
log in
Explore Challenges
For Business
For Startups
Who We Are
Results
share
Follow
Following
Unfollow
message
Hanadi Rifai
Houston, Texas, United States
more
About
Challenges
Following
Followers
Activity
Awards
Activity
About
Challenges
Following
Followers
Activity
Awards
April 29, 2026, 3:49 a.m. PDT
The 2027 Marine Energy Collegiate Competition
registered for challenge
April 29, 2026, 2:13 a.m. PDT
2027 Hydropower Collegiate Competition
registered for challenge
Sept. 18, 2025, 5:02 a.m. PDT
2026 Hydropower Collegiate Competition
registered for challenge
Sept. 17, 2025, 3:43 a.m. PDT
The 2026 Marine Energy Collegiate Competition
registered for challenge
May 6, 2024, 3:03 a.m. PDT
Hydropower Collegiate Competition 2025
registered for challenge
May 5, 2024, 2:20 a.m. PDT
The Marine Energy Collegiate Competition 2025
registered for challenge
