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 50 @hn50@social.lansky.name

3/13/2026, 10:00:07 AM

Public

How people woke up before alarm clocks

Link: https://www.bbc.com/future/article/20260306-the-wake-up-tricks-people-used-before-alarm-clocks
Discussion: https://news.ycombinator.com/item?id=47303133

A collage featuring a bell being rung by a hand, the famous knocker upper Mary Smith holding a peashooter to her mouth, and a rooster (Credit: BBC/ Alamy/ Getty Images)

Knocker uppers and candle clocks: How people woke up before alarm clocks

From candles that drop metal nails to the knocker uppers of industrial Britain, people devised plenty of cunning ways to ensure a timely wake-up before alarm clocks came along.

www.bbc.com

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