Unverified50% confidenceFactExact time
NASA evaluated the O'Neill cylinder concept during its 1975 Summer Study, concluding that it was technically feasible but of enormous engineering scale.
1
Sources
50%
Confidence
Long-term
Relevance
10/4/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedThe O'Neill cylinder was proposed by Princeton physicist Gerard K. O'Neill in 1974 in Physics Today.60% similarUnverifiedPhysicist Gerard O'Neill systematically argued for the feasibility of rotating habitats in his 1976 book The High Frontier.57% similarUnverified分形由数学家本华·曼德布罗特于1975年正式提出，描述具有自相似性的几何结构54% similarUnverifiedA developer shared on Hacker News an experiment in which they directly asked Claude to build a physically accurate, real-time-walkable O'Neill cylinder simulation.53% similarUnverifiedThe research team used a model of comparable scale to Opus for the experiment.52% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/975114API
curl https://kongchang.com/api/v1/knowledge/claims/975114MCP
get_claim(id=975114)