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
World Vision
17,273
share
follow
(35)
following
unfollow
(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.
Learn More
Engineering
Non-Profit & Social Impact
Technology
stage:
Submission Deadline
prize:
$20,000
Learn More
Engineering
Non-Profit & Social Impact
Technology
Project Advisor
more
Summary
Timeline
Forum
2
Teams
35
Summary
Overview
Learn More
Timeline
Forum
2
Teams
35
Other Challenges You May Be Interested In
by InoCrowd
29
Quantifying and simulating the relative influence of parameters in woven fabrics
A data-driven solution that quantifies the influence of parameters as spinning, weaving, dyeing and finishing in woven fabrics.
by GoAERO Prize
1.8K
GoAERO Prize
Design and build a safe, portable, robust, autonomy-enabled Emergency Response Flyer.
by NASA Tournament Lab
1K
Rock and Roll with NASA Challenge
Create a lightweight, flexible, long service-life wheel and tire to help rovers navigate the harsh environment of the Moon
