Fitness

In my case, I learned by making stuff I wanted or needed that ~~didn’t exist yet~~ I couldn’t find. Once you start doing that you inevitably start running into problems that require slightly more specialized knowledge to solve correctly. But you don’t have to learn everything at once.

So I imagine any “maker” category of content would be a good start, since they often start with the same premise and talk through their techniques, resources, and tools in the process.

Here’s a maker from the old mythbusters TV show talking about making things: https://www.ted.com/talks/simone_giertz_why_you_should_make_useless_things

GLHF