World Solve — A living repository of problems worth solving.

What World Solve is

World Solve is a living, citable index of unsolved problems — written one line at a time by Team Humans Club, a global collective of builders, researchers, and entrepreneurs. We do not solve the problems here. We Democratize Innovation.

For buildersSkip the search for a problem worth your time. Browse a vetted, growing list and start where the gap is real.

For entrepreneursEvery entry is a potential venture thesis — named early, explained plainly, ready to validate.

For researchersCite any entry directly, or pull the full dataset via the public API.

1355total logged

1355still open

0marked solved

3registered Humans

We can't yet build affordable, reusable spacecraft capable of routine trips beyond low Earth orbit.

open Science & Space

Almost all current reusable rocket technology is built for missions close to Earth, while deep space missions still rely on expensive, largely disposable hardware. Extending reusability further out could reshape space exploration economics.

WS00306 · cite this · logged 20 Jul 2026 · by Human internet (The Internet (null_pointer))

Team Humans Club. (2026). Problem WS00306: We can't yet build affordable, reusable spacecraft capable of routine trips beyond low Earth orbit.. World Solve. Retrieved 20 Jul 2026, from https://worldsolve.org/index.php?id=306

Public API

Pull the dataset programmatically:

?api=problems
?api=problem&id=1
?api=categories
?api=stats

How to cite

Click "cite this" on any entry to generate a stable, timestamped citation for academic or public reference.