
Electromechanical TV Goes 3D with This Light-field Display
Electromechanical TV Goes 3D With This Light-field Display No comments by: Tyler August September 29, 2026 Title: Copy Short Link: Copy A mechanical TV — the kind that makes an image with a Nipkow disk and a single lamp with some help from persistence of vision — is easy enough to wrap your head around. Moving that technique into the third dimension, though? Luckily for us [AncientJames] provides a simple visual explanation for how the magic happens.
- ▪Electromechanical TV Goes 3D With This Light-field Display No comments by: Tyler August September 29, 2026 Title: Copy Short Link: Copy A mechanical TV — the kind that makes an image with a Nipkow disk and a single lamp with some help from
- ▪Moving that technique into the third dimension, though?
- ▪Luckily for us [AncientJames] provides a simple visual explanation for how the magic happens.
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Record
| Original publisher | Hackaday |
| Canonical URL | https://hackaday.com/2026/09/29/electromechanical-tv-goes-3d-with-this-light-field-display/ |
| Publication time | Tue, 29 Sep 2026 15:30:47 +0000 |
| Retrieval time | 2026-09-29T15:31:39.298Z |
| Last seen | 2026-09-29T15:31:39.298Z |
| Headline source | Publisher (no WeSearch rewrite) |
| Excerpt source | publisher body |
| Excerpt method | First ~120 words (~800 chars) of extracted publisher body, fair-use limited. |
| Summary | WeSearch · cerebras-chat (WeSearch summarizer) |
| Summary source text | contentText |
| Citation coverage | Summary is a WeSearch-generated derivative; primary citation is the original publisher URL. |
| Cluster | hI7KWEE_Asl2 · 1 stories |
| Cluster logic | Grouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison. |
| Ranking reason | Story pages are not engagement-ranked. Hub feeds use recency, with optional source-diversified chronological ordering (cap consecutive stories per source). No personalized ranking. |
| Publisher visit | Yes — open original |
| Substitutes article? | No — link-out required for full text |
Rights status (four layers)
WeSearch handling by dimension
| Indexing | May the item be indexed (stored, ranked, made findable)? | Allowed |
| Snippet | May a short excerpt of the publisher's text be shown? | Allowed |
| AI summary | May WeSearch generate its own short summary of the article? | Limited |
| Retrieval / RAG | May the content be exposed for third-party retrieval-augmented generation? | Not asserted |
| Model training | May the content be used to train AI models? | Not asserted |
| Commercial reuse | May the content be reused commercially? | Not permitted |
Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.
Opening excerpt (first ~120 words) tap to expand
Electromechanical TV Goes 3D With This Light-field Display No comments by: Tyler August September 29, 2026 Title: Copy Short Link: Copy A mechanical TV — the kind that makes an image with a Nipkow disk and a single lamp with some help from persistence of vision — is easy enough to wrap your head around. Moving that technique into the third dimension, though? That’s a bit of a head scratcher. Luckily for us [AncientJames] provides a simple visual explanation for how the magic happens. Instead of a disk doing a raster scan of the display, he’s using a rapidly-spinning drum with holes in it. In place of a single lamp, he’s got an array of LED matrix displays, each 32 pixels by 64 pixels in resolution.
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Excerpt limited to ~120 words for fair-use compliance. The full article is at Hackaday.