Links

https://youtu.be/DyIQkqBXhS0?si=G7xxDNblZ7m7HOD1 We think of microscopes magnifying things so we can see them, but what about magnifying them so we can touch them
https://youtu.be/GK2pZ_oVU1o?si=y8UqtzqCnw6-_ne5 Smith chart looks like a weird fractal pattern that means nothing, but it’s actually super powerful/useful this video is a bit long but does a great job explaining it and how it came about
https://immersivemath.com/ila/ few of us look back with fondness to math class, but I did thing this site did a great job covering linear algebra with 3D graphs/illustrations that help a great deal at relaying the principles at play
https://transistor-man.com/gimbal_camera_rover.html This is a fun project, basically a scaled down version of the chase car used in highspeed chase filming for movie making
https://www.lego.com/en-us/history/articles/d-lego-building-instructions-through-time Lego instructions haven’t always been the same, here you can see what some set instructions would have looked liked 50+yrs ago
https://glinscott.github.io/beam-engine/ This is a fascinatingly complete walkthrough of all the mechanical components of a beam engine with illustrations you can interact with
https://www.youtube.com/watch?v=VLrAffyX1T0 This video is about measuring rotary motion, and some of the past ways it was done and to what level of precision it can be done today

Cool historical fact

https://explosion-scratch.github.io/locusts/ Locusts are interesting in that they can quickly raise/lower in population, for instance in the us in the 19th centery there were trillions of them, and 40yrs later they were gone.