Archive - lcamtuf’s thing

May 2025

Decibels are ridiculous

Celebrating a rare dumpster fire in the kingdom of science.

May 22

Complex numbers #2: a world in 3D

Why is there no equivalent of complex numbers for three dimensions? And what's the deal with quaternions?

May 19

A 20-minute intro to complex numbers

You might have heard of complex numbers before -- but what's the actual significance of i = √-1?

May 16

The Mathematics of Love

Interior of an upscale restaurant, night.

May 13

Sierpiński triangle? In my bitwise AND?

Exploring a peculiar bit-twiddling hack at the intersection of 1980s geek sensibilities.

May 10

April 2025

The Long Winter

Interior of a vast cavern.

Apr 28

My approach to teaching electronics

Explaining the reasoning behind my series of articles on electronics -- and asking for your thoughts.

Apr 19

Resistors, Johnson-Nyquist, nV/√Hz

A major source of noise in electronic circuits is easy to understand. The unit we use to measure it is not.

Apr 16

Real MLCCs (and inductors) have curves

Linear components are pretty nonlinear -- and parasitics don't tell the whole story.

Apr 13

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