For example, when proofreading writing, it's easier to catch mistakes when reading the document aloud and jotting down the needed edits on a printed copy of the document vs just reading it on the computer.
Or when doing something like data base schemas, drawing out a rough version of what you need so you have something basic to reference vs just a mental model.
It's a interesting technical investigation that not only goes over the technology required to recreate the gold filter, but it's a nice explanation of how some imaging stuff works? And if the hack is interesting and well-written up enough, why not? This is Hacker News
Or when doing something like data base schemas, drawing out a rough version of what you need so you have something basic to reference vs just a mental model.