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I built a walkable O'Neill cylinder in the browser: a 20-mile-long habitat you can explore from street level.

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Based on a feed excerpt; full article content has not been acquired. Source evidence retrieved 06/10/2026, 22:47:26 UTC.

Briefings

A user named Anen-o-me posted a simulation of a 20-mile O'Neill cylinder habitat on r/singularity, suggesting it could be explored from street level. The simulation uses a browser-based approach to visualize the structure, though the specific physics engine or rendering technology used is not detailed in the provided evidence.

Key points

• A user named Anen-o-me created a browser-based simulation of a 20-mile O'Neill cylinder habitat.
• The simulation allows for exploration from street level, though the specific rendering technology is unspecified.

Context

This post appeared on the r/singularity subreddit, a community focused on theoretical physics and technology, where the simulation was shared as a conceptual visualization of a large-scale space habitat.

Limitations

The evidence is limited to a single user post on a forum without technical specifications. The simulation's physics engine, rendering technology, and exact simulation parameters are not provided in the source evidence.

Generated by Bittrees-hosted qwen35-2b sha256:aaf42c8b7c3c on 24/10/2026, 08:14:22 UTC. Based on publisher-provided feed evidence; may not cover the full original article. Check the source for details.

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