lcamtuf’s thing

How much of HN is AI?

I have a complicated relationship with Hacker News. The site is the most important aggregator of geek news and a major source of traffic to this blog…

Mar 12

20

7

1

February 2026

Approximation game

The number 22/7 and the pigeon flock of Peter Gustav Lejeune Dirichlet.

Feb 28

11

2

Unreal numbers

Reals are really weird.

Feb 15

23

12

2

It's all a blur

Designing a slightly sneaky blur filter and then poking holes in it.

Feb 6

61

11

6

January 2026

You gotta think outside the hypercube

A closer look at the tesseract and the ways we can render it on the screen.

Jan 26

31

5

1

The toil of (blog) art

An image is worth $19.95.

Jan 18

56

15

See it with your lying ears

This blog has a history of answering questions that no one should be asking. Today, we continue that proud legacy.

Jan 10

35

10

2

December 2025

Cursed circuits #4: PLL frequency multiplier

How do you turn 1 MHz into 100 MHz? With magic, of course.

Dec 26, 2025

21

1

Cursed circuits #3: true mathematics

Op-amp arithmetics, explained in a more accessible way

Dec 22, 2025

20

15

1

Cursed circuits #2: switched capacitor lowpass

Still using resistors? Get on with the times.

Dec 4, 2025

16

1

Cursed circuits: charge pump voltage halver

There's plenty of circuits that are hard to understand because they're complicated. And some that are hard to make sense of because they seem too…

Dec 2, 2025

24

November 2025

It's hard to build an oscillator

Especially if you want it to work.

Nov 21, 2025

40

11