Great example of how students took it upon themselves to create visual notes illustrating the process of how an artificial tree is made. The post also provides an insightful TED Talk on the subject of sketchnotes and why "Doodling" is a positive thing.
"Circuit Scribe is a rollerball pen that writes with conductive ink. Combined with magnetic components, it makes creating circuits as easy as doodling.
The online editor makes it easy to create your own sketches and share it with the community."