I bought that Saturday morning at full price. No regerts. In 5 days, I dumped about 30 hours into it.

Define “meaningfully”. There have been several different types of innovations in recent years depending on how you look at it.
Mazda made a gas engine that can switch from spark plug ignition to compression ignition. Though I don’t think they brought it to the states.
Nissan made an engine that can vary its compression ratio on the fly. Something no other engine can do to my knowledge.
Hyundai made a cam shaft that can vary the length of time it opens and closes the valves rather than just varying the time that they open.
There’s a company called Speed of Air that designed piston heads that have dimples in them like a golf ball. Those dimples apparently can significantly improve the engine’s power and, more importantly, its efficiency. Though I don’t have a video link talking about that. Just their site.
Porsche also designed a 6 stroke engine. Though I’ll have to watch the video again as I don’t remember much about it.
If you want to get more experimental, someone made something called a rotary vane engine.

People are definitely still trying to find ways to improve the internal combustion engine. It’s just this technology takes time to reach the mainstream, if it ever does.

I’ll have to reread the article to get the details, but here’s a 5 year old Car and Driver article talking about the 2019 Dodge Ram 3500’s complicated exhaust system it needs in order to meet emissions. So my guess is it’s rather expensive to stay compliant.

Edit: Nvm, it’s a pretty short article that doesn’t say much, but it does include pictures of it.

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It doesn’t, but with these apps, you can see what information they send back to their servers (if any). If there is no info getting sent back to any servers, then there’s nothing a subpoena can do since there’s no info to subpoena. You can’t obtain info that just isn’t there.

A little of column A, a little of column B.
Idk if it was because it was on an emulator, but when I played Smash for the N64 with friends, all I could think about was the controls felt very clunky and how much smoother Smash Ultimate felt by comparison.

Sure, but it’s a start. It’s certainly better than trying to keep them on my laptop. And I do hope to add more forms of data backup/storage as time goes on. It’s taken several hours ripping all those games and I’d hate to lose them all.
I also have an external 4 TB SSD that I keep most of the games on (excluding the PS4 games because they simply take up too much space).

That’s what I’ve been doing. Been collecting various PS1-4 games on top of GameCube, Wii, and Switch games over the past year to rip and save digital copies for myself. Then I play them on emulators.
I have roughly a few hundred so far and plan to expand it further.
I have a NAS with two 8 TB drives in RAID to back them up and it’s already over 50% full. I want to start collecting OG Xbox and 360 games in the near future, but I need to get jailbroken consoles for them.

Mechromancy?

Nope, is just that good looking of a cat. I took these with my DSLR. Here’s another shot.