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`

Hacker News @hkrn@mstdn.social

9/24/2025, 8:47:56 PM

Public

Why do wind turbines have three blades?
L: https://thekidshouldseethis.com/post/why-do-wind-turbines-have-three-blades
C: https://news.ycombinator.com/item?id=45365302
posted on 2025.09.24 at 16:02:10 (c=2, p=5)

Why do wind turbines have three blades?

What makes three the perfect blade count for wind turbines? Why not two for simplicity, or five to catch more wind? The answer connects physics,

thekidshouldseethis.com · The Kid Should See This

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