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

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

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We don't have a working theory that unifies gravity with quantum mechanics.

open Global / Unspecified, Global

Gravity describes the large scale universe well, and quantum mechanics describes the tiny scale well, but the two don't fit together mathematically. A unified theory would finally explain what happens inside black holes and at the birth of the universe.

WS00002 · Logged by Administrator on 2026-07-18T18:21:29Z · Working on: 0

Citation ID: WS00002 Title: We don't have a working theory that unifies gravity with quantum mechanics. URL: https://www.worldsolve.org/index.php?api=problem&id=2

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1355 public problems
1355 open challenges
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