this post was submitted on 11 Apr 2025
282 points (99.0% liked)

xkcd

10515 readers
983 users here now

A community for a webcomic of romance, sarcasm, math, and language.

founded 2 years ago
MODERATORS
 

I have to pay with paper money.

https://explainxkcd.com/3075/

you are viewing a single comment's thread
view the rest of the comments
[–] [email protected] 78 points 2 weeks ago (13 children)

Sidewalk chalk isn't made of chalk anymore?

TIL: It's made of calcium sulfate, i.e. gypsum, the same stuff that goes into drywall, as opposed to calcium carbonate, i.e. rock chalk.

[–] [email protected] 53 points 2 weeks ago (7 children)

Congratulations you are one of the lucky Ten Thousand! https://xkcd.com/1053/

[–] [email protected] 13 points 2 weeks ago (1 children)

I guess count me in that 10,000 as well

[–] [email protected] 10 points 2 weeks ago

Wow, so 20,000 people read this?

Lemmy's more popular than I thought.

load more comments (5 replies)
load more comments (10 replies)