Sometimes, electronic circuit design is mostly about wood | Continue reading
Are you a C or C++ programmer? | Continue reading
Many of you follow this blog because of the regular features about electronic circuit design. | Continue reading
If you know about my professional background, the most puzzling aspect of this Substack must be that I don’t use it to talk about my primary field of expertise: information security. | Continue reading
When life gives you switches... | Continue reading
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. At the same time, it has a fair number of toxic commenters, making it a dependable source of insults hurled in my general directi … | Continue reading
The number 22/7 and the pigeon flock of Peter Gustav Lejeune Dirichlet. | Continue reading
Designing a slightly sneaky blur filter and then poking holes in it. | Continue reading
A closer look at the tesseract and the ways we can render it on the screen. | Continue reading
An image is worth $19.95. | Continue reading
This blog has a history of answering questions that no one should be asking. Today, we continue that proud legacy. | Continue reading
How do you turn 1 MHz into 100 MHz? With magic, of course. | Continue reading
Op-amp arithmetics, explained in a more accessible way | Continue reading
Still using resistors? Get on with the times. | Continue reading
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 simple. | Continue reading
Especially if you want it to work. | Continue reading
As a middling author, I find it fairly easy to sniff out LLM-generated articles. | Continue reading
Untangling a cursed formula from 1748. | Continue reading
Paying homage to the component we usually don't think about. | Continue reading
If it clucks like a duck... | Continue reading
Interior of an abandoned, boarded-up convenience store. | Continue reading
What's the meaning of "numbers" and "arithmetic operations"? We consult Georg Cantor's turtles and look at Giuseppe Peano's code. | Continue reading
And some novel ideas for bicycle wheel design. | Continue reading
It's vibe coding. Relax, everyone is doing it. | Continue reading
A degree in mathematics might not save you from stacking boxes for a living. | Continue reading
A warm, late-summer night in Bruges. | Continue reading
Can you examine infinitely many integers in finite time? Are there numbers you're not allowed to know? Can a monkey beat a beaver in a fair fight? | Continue reading
A quick look at the wacky epistemology of analog circuitry. | Continue reading
Recreational math: why a troll proof involving circles is less wrong than it seems. | Continue reading
If you're playing both sides, you always come out on top. | Continue reading
Celebrating a rare dumpster fire in the kingdom of science. | Continue reading
Why is there no equivalent of complex numbers for three dimensions? And what's the deal with quaternions? | Continue reading
You might have heard of complex numbers before -- but why exactly did we choose i = √-1? | Continue reading
Interior of an upscale restaurant, night. | Continue reading
Exploring a peculiar bit-twiddling hack at the intersection of 1980s geek sensibilities. | Continue reading
Explaining the reasoning behind my series of articles on electronics -- and asking for your thoughts. | Continue reading
A major source of noise in electronic circuits is easy to understand. The unit we use to measure it is not. | Continue reading
Linear components are pretty nonlinear -- and parasitics don't tell the whole story. | Continue reading
And chemistry, I guess | Continue reading
It’s fascinating how these vascular bundles, containing xylem and phloem, are arranged in a ring located beneath the skin (periderm) and the cortex. | Continue reading
Does electricity travel at the speed of light?... does light? Yes and no - and you'd be hard-pressed to find an explanation that has an intuitive physical basis. | Continue reading
And how do we derive its value for sine waves? | Continue reading
A simple question that takes some effort to answer in a satisfying way. | Continue reading
AGENT: I am prescribing vardenafil 5 mg for you. | Continue reading
A quick look at the physics of conductors, insulators, and electric charges. | Continue reading
Interior of a low-rise office park. | Continue reading