lcamtuf
@lcamtuf.coredump.cx
Oh, you use transistors? How quaint!
November 12, 2025 at 10:12 PM
Oh, you use transistors? How quaint!
What's the deal with Euler's identity? lcamtuf.coredump.cx/blog/euler/?b
What's the deal with Euler's identity?
Untangling a cursed formula from 1748.
lcamtuf.coredump.cx
November 8, 2025 at 10:47 PM
What's the deal with Euler's identity? lcamtuf.coredump.cx/blog/euler/?b
Things you can do with diodes: lcamtuf.coredump.cx/blog/diodes/?b3
Things you can do with diodes
Paying homage to the component we usually don't think about.
lcamtuf.coredump.cx
November 3, 2025 at 7:31 AM
Things you can do with diodes: lcamtuf.coredump.cx/blog/diodes/?b3
You know, life used to be more fun in the 1930s
October 29, 2025 at 1:37 AM
You know, life used to be more fun in the 1930s
Weekend projects: Chicken Squisher - lcamtuf.coredump.cx/blog/squisher/
Weekend projects: Chicken Squisher 3000
If it clucks like a duck...
lcamtuf.coredump.cx
October 14, 2025 at 6:12 AM
Weekend projects: Chicken Squisher - lcamtuf.coredump.cx/blog/squisher/
October is Cybersecurity Awareness Month! Please be aware of cybersecurity. If you encounter cybersecurity, DO NOT APPROACH IT. Back away slowly. Protect children and pets. Make noises to scare it away.
October 13, 2025 at 3:08 PM
October is Cybersecurity Awareness Month! Please be aware of cybersecurity. If you encounter cybersecurity, DO NOT APPROACH IT. Back away slowly. Protect children and pets. Make noises to scare it away.
Today I needed a bit of code, but instead of asking an LLM I tried writing it myself and wow, this could be a new paradigm
October 11, 2025 at 11:42 PM
Today I needed a bit of code, but instead of asking an LLM I tried writing it myself and wow, this could be a new paradigm
OK, here it is - the latest in captcha technology: lcamtuf.coredump.cx/captcha/
One more step
lcamtuf.coredump.cx
October 5, 2025 at 7:10 PM
OK, here it is - the latest in captcha technology: lcamtuf.coredump.cx/captcha/
Zombies: lcamtuf.coredump.cx/blog/zombies/?n2
Zombies
Interior of an abandoned, boarded-up convenience store.
lcamtuf.coredump.cx
September 29, 2025 at 2:48 AM
Zombies: lcamtuf.coredump.cx/blog/zombies/?n2
How has mathematics gotten so abstract? lcamtuf.coredump.cx/blog/abstract/?1
How has mathematics gotten so abstract?
Georg Cantor's turtles, Giuseppe Peano as a software engineer, and other tales of from the kingdom of the infinite.
lcamtuf.coredump.cx
September 28, 2025 at 1:46 PM
How has mathematics gotten so abstract? lcamtuf.coredump.cx/blog/abstract/?1
My wife asked me some time ago to build an automated door opener / closer for the coop, and needless to say, our design firm takes this very seriously
September 26, 2025 at 8:55 PM
My wife asked me some time ago to build an automated door opener / closer for the coop, and needless to say, our design firm takes this very seriously
I've been working on AI takeoff scenarios and this is what I have so far
September 23, 2025 at 4:45 PM
I've been working on AI takeoff scenarios and this is what I have so far
The joys of rural living
September 23, 2025 at 12:23 AM
The joys of rural living
Boss: hey Bob, our users are asking for an API to determine if a video can be played in the browser.
Bob: yeah, I get it, but this is really complica --
Boss: go on now, git! You'll figure it out.
Bob: [muttering to himself]
Bob: yeah, I get it, but this is really complica --
Boss: go on now, git! You'll figure it out.
Bob: [muttering to himself]
September 21, 2025 at 3:12 PM
Boss: hey Bob, our users are asking for an API to determine if a video can be played in the browser.
Bob: yeah, I get it, but this is really complica --
Boss: go on now, git! You'll figure it out.
Bob: [muttering to himself]
Bob: yeah, I get it, but this is really complica --
Boss: go on now, git! You'll figure it out.
Bob: [muttering to himself]
Folks, we have the best π: lcamtuf.substack.com/p/folks-we-h...
Folks, we have the best π
In the past couple of months, I published a number of articles on recreational math.
lcamtuf.substack.com
September 15, 2025 at 6:44 AM
Folks, we have the best π: lcamtuf.substack.com/p/folks-we-h...
Chickens now have power, can play games or watch TV
September 14, 2025 at 8:40 PM
Chickens now have power, can play games or watch TV
Lord give me strength to stay on this platform
September 11, 2025 at 1:48 AM
Lord give me strength to stay on this platform
Getting silly with C, part ~(~1<<1) lcamtuf.coredump.cx/blog/c3/?n
Getting silly with C, part ~(~1<<1)
In the two previous installments of our introductory series on the C programming language, we talked about types, variables, and control flow.
lcamtuf.coredump.cx
September 7, 2025 at 1:36 AM
Getting silly with C, part ~(~1<<1) lcamtuf.coredump.cx/blog/c3/?n
How many dimensions is this? lcamtuf.coredump.cx/blog/dimensi...
How many dimensions is this?
With the right incentives, you can convince a PhD to stack boxes in a warehouse.
lcamtuf.coredump.cx
September 3, 2025 at 4:44 PM
How many dimensions is this? lcamtuf.coredump.cx/blog/dimensi...
My position on the "doomsday" risk of superhuman AGI is that if IQ offered you a decisive advantage, the world would be run by nerds.
I think it's essentially a geek power fantasy. The returns on puzzle-solving skills rapidly diminish past some modest threshold.
I think it's essentially a geek power fantasy. The returns on puzzle-solving skills rapidly diminish past some modest threshold.
August 30, 2025 at 2:37 PM
My position on the "doomsday" risk of superhuman AGI is that if IQ offered you a decisive advantage, the world would be run by nerds.
I think it's essentially a geek power fantasy. The returns on puzzle-solving skills rapidly diminish past some modest threshold.
I think it's essentially a geek power fantasy. The returns on puzzle-solving skills rapidly diminish past some modest threshold.
I'm sorry folks, the spec made it clear
August 10, 2025 at 2:39 PM
I'm sorry folks, the spec made it clear
