#noneuclidean
Live, measured metrics for the hashtag #noneuclidean from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
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Day-by-day usage
measured · fosstodon.org (Mastodon public tags API) · fetched 2026-07-27 19:30 UTC0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.
Related hashtags
measured · fosstodon.org (Mastodon public search API) · fetched 2026-07-27 19:30 UTCLive pulse
measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-07-27 19:30 UTCEverything below is measured over the latest 40 public posts (spanning ~29731 hours).
Posting hours (UTC) — busiest: 11:00
Languages: English (40)
Avg boosts / post: 5
Top of the latest posts
Our brain reconstructs the 3D scene based on the angles perceived by both eyes. So (under some natural assumptions) a human in hyperbolic space would perceive it as the Beltrami-Klein ellipsoid model -- their eyes would be at the foci of th
A game of Go on a hyperbolic manifold, played in the HyperRogue discord server, ended like this. #noneuclidean #noneuclideangeometry #rogueviz #bringsurface #baduk
A conformal mapping from ℍ²×𝕊¹ to 𝔼³. This is obtained by using the half-plane model for ℍ², let's say {(x,y): y>0}, and then adding the third dimension by rotating it in the 'yz' plane around the 'x' axis. #NonEuclideanGeometry #NonEucli
Every number above is measured from a named public API at the shown fetch time. Nothing is estimated or extrapolated. Platforms that lock their data behind paid APIs are not shown. Agents: the same numbers, as JSON, at /api/hashtags/noneuclidean