Mastodawn

lcamtuf

@lcamtuf@infosec.exchange

11.2K Followers

301 Following

434 Posts

Homepage	https://lcamtuf.coredump.cx
Substack	https://lcamtuf.substack.com/archive
Book	https://lcamtuf.coredump.cx/prep/

lcamtuf

1d ago

How to tell that you're valued as a customer in 2025: if you need to wait 45 minutes to be connected to a representative, you know they're not using an LLM

lcamtuf

1d ago

You know, phone, of all the people in this room, I'd expect *you* to know this for sure

The proof that π = 4
https://lcamtuf.coredump.cx/blog/pi/?1

π = 4

Trolls do a pretty good job of getting people interested in math.

lcamtuf

6d ago

You youngsters take it for granted, but it was fiendishly difficult to get angry at strangers before the invention of the internet

Coop progress update

The article is about something else, but I belatedly realized that all I wanted to do is write an article about infinity.

Maybe I still should, but I don't know if the remaining five subscribers can handle it

lcamtuf

Jun 8

What is infinity, and why it's not trivial to show that 0.9999... is equal to 1:

https://lcamtuf.substack.com/p/09999-1

0.9999... ≊ 1

What is infinity, and why it's hard to show that 0.9999... is (or isn't) equal to 1.

lcamtuf’s thing

lcamtuf

Jun 6

Self-referential abstractions, or a quick look at the wacky epistemology of analog circuitry.

https://lcamtuf.coredump.cx/blog/abstractions/?n

Self-referential abstractions

A quick look at the wacky epistemology of analog circuitry.

lcamtuf

Jun 5

The proof that π = 4
https://lcamtuf.coredump.cx/blog/pi/?1

π = 4

Trolls do a pretty good job of getting people interested in math.

lcamtuf

Jun 5

I finally decided to bite the bullet

lcamtuf

Jun 5

I finally decided to bite the bullet

Show thread

Joel Michael Jun 5

@lcamtuf Eh, it's overrated. Not recommended.

Show thread

bignose Jun 5

https://www.jwz.org/blog/2025/06/never-ask-me-again/

@lcamtuf

"Never ask me again"

Show thread

Darwin Woodka Jun 5

@lcamtuf

No.