Not sure if that’s what you mean by heavy but I recently watched 1984 and while the movie is good I found it kind of hard to watch. Possibly because a lot of the story and background information was only indirectly said or hinted at and you had to actually pay attention and think about what you saw.
I guess I’m just used to modern cinema where everything is very in your face
Hobby electronics?
Need a small part? Better buy 10 in case you break one and because it’s only marginally more expensive than getting one. Now repeat for every project you do