History
Denver
Denver's Ghostsigns :
Lead paint!!! Capturing snapshots of painted walls from Denver's history.
Spray Paint
artprimo.com - Caps 101 :
An introduction to spray nozzles: the aerosol equivalent to different paint brushes
Lab Notes Proposal - A Jank Way to 3D Image Spray Patterns :
Spray depends on the cap youre using, the brand of paint, distance, how hard you're pressing... seems like a great fluid mechanics problem
Color Theory
Colorspaces
makingsoftware.com - What is a Color Space? :
Chapter on color spaces from an excellent book (with absolutely stunning design)
Signal Processing and Electronics
Electronics Theory
geofex.com - Impedance :
What is it and why does it do all those terrible things to you?
Electronic Components
The Electronic-Hydraulic Analogy :
Fluid mechanics and hydraulic circuits to build intuition for electronics
Resistors :
Quick reference notes, accessible on my phone at my bench
Equivalent Capacitors Calculation :
For quick equivalent capacitance calcs when building pedals, uses an inventory.json file
Guitar Pedals
Lab Notes: The Bazz Fuss Pedal :
Notes on my understanding of the Bazz Fuss circuit
Transform Algorithms
3b1b - But what is the Fourier Transform? A visual introduction. :
The first video I'd recommend anyone watch on the Fourier Transform
Seeing Circles, Sines, and Signals - The Fourier Transform? :
Excellent explanation packaged in a masterclass of pedagogical visual design
weitz.de - The Discrete Cosine Transform :
Real-valued relative of the Fourier transform, used in JPEG compression
yt/reducible - The Unreasonable Effectiveness of JPEG: A Signal Processing Approach :
Great youtube video by Reducible on images as signals and JPEG compression
Data Visualization
The Economist - Graphic Detail:
Some of the best data visualizations on the web
Music and Audio Engineering
Lab Notes Proposal - Crowdsourcing the Perfect EQ Presets :
What would the data show if you could aggregate everyone's listening preferences for hardware?
Languages
Korean
Korean Handwriting :
Textbook fonts aren't how people actually write Korean