Expanding in three dimensions

282,507 views

Why it's on BrighterTube

From a channel a BrighterTube curator approved in full · 80% confidence

From a channel Lumen includes in full: Henry Segerman, a mathematician and artist, explains geometry and topology through 3D-printed models and physical objects (hyperbolic space, 4D shapes, knots).

What you'll learn

A 26-minute video from Henry Segerman's catalogue; the title names its topic.

Video by Henry Segerman, played through YouTube's embedded player.

Videos are embedded from YouTube and belong to their creators. BrighterTube isn't affiliated with YouTube or Google.

As an Amazon Associate, BrighterTube earns from qualifying purchases.

© 2026 BrighterTube