A fairly common theme on this blog are write-ups about computer algorithms and mathematical curiosities.| lcamtuf.substack.com
Pets do the darndest things, especially if you teach them a bit of math.| lcamtuf.substack.com
A real explanation of discrete Fourier transform (DFT, FFT), discrete cosine transform (DCT), and their inverses.| lcamtuf.substack.com
A brief introduction to antennas, superheterodyne receivers, and signal modulation schemes.| lcamtuf.substack.com