Hackers' Pub

Syntax	Description	Examples
`"` keyword `"`	Finds the string within quotes, including spaces. Case-insensitive. (Escape quotes inside with `\"`)	`"Hackers' Pub"`
`from:` handle	Finds content written by the specified user.	`from:hongminhee` `from:hongminhee@hollo.social`
`lang:` ISO 639-1	Finds content written in the specified language.	`lang:en`
`#` tag	Finds content with the specified tag. Case-insensitive.	`#HackersPub`
condition condition	Finds content that satisfies both conditions on either side of the space (logical AND).	`"Hackers' Pub" lang:en`
condition `OR` condition	Finds content that satisfies at least one of the conditions on either side of the OR operator (logical OR).	`#HackersPub OR "Hackers' Pub" lang:en`
`(` condition `)`	Combines the operators within the parentheses first.	`(#HackersPub OR "Hackers' Pub" OR "Hackers Pub") lang:en`

Tech Tangents @TechTangents@dialup.space

2/21/2026, 11:56:31 PM

Public

Well I had a fun day today!

These are unaltered direct photos (other than mirroring) of a CED and a Laserdisc where using diffraction grating I was able to VISIBLY SEE video physically encoded on the disc!

I will be editing a video about this process but also did a quick write up about it on my wiki here with the direct sample images:

https://wiki.techtangents.net/wiki/Seeing_Media

The ending credits of the movie True Grit visible on the surface of a CED.

The musician credits from The Minds Eye visible on a CAV encoded Laserdisc

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