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`

The Public Domain Review @publicdomainrev@mastodon.social

3/10/2026, 5:47:34 PM

Public

Electrical Light in Rarefied Gas, by M. Rapine, from French science writer Amédée Guillemin’s Les phénomènes de la physique (1868).⠀⁠
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See more wonderful images from Guillemin’s physics books on our site — https://publicdomainreview.org/collection/optics-illustrations-from-the-physics-textbooks-of-amedee-guillemin-1868-1882 https://twitter.com/PublicDomainRev/status/1359629681641852936/photo/1

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