Movies on a Disc, Read With a Stylus, Not a Laser #Shorts

This movie disc needs a stylus, not a laser. RCA's CED system read an electrical effect: capacitance.
Fine relief changed the gap under a tiny electrode, and electronics recovered the picture.
For the full breakdown, tap the related video.

Have you ever seen a CED player? Tell us in the comments.

NOTES
- Schematic model, not a manufacturing drawing.
- Narration: synthetic AI voice (Qwen3-TTS).

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