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> only because they had such an engine that the 747 became possible.

Many engine manufacturers were experimenting with high-bypass ratios; Honeywell, Pratt & Whitney, Rolls-Royce. GE was just first to production. If they hadn’t done it, someone else would have.


> Slaves in the later Roman Empire also had certain rights

Cattle in the USA probably have more legal protections than slaves in the Roman Empire.


If you’re not conscripted to fight the invaders, there’s always the risk that you’ll be conscripted by the invaders.

Chickens love them.

I've heard 'possums too.

Not to mention Malaria, which kills over half a million people a year.

And has killed a large fraction of all humans who have ever lived.

It has, but it also has saved a lot of people by slowing down invasions.

I’ve often wondered about the thermal performance or running a MacBook with the lid closed. One argument is that the reduced surface area from a closed lid increases temperature. Others argue that not running & rendering the display (and thus GPU) generates less heat. I’m not sure who to believe.

Running lid closed with external display has been officially supported since forever so I wouldn't worry about it too much.


Nevertheless it was quite common for the Romans to pay off Germanic tribes. Equally it was common for them to demand tribute from weaker neighbours.

It was also quite common for them to assassinate their emperors, to engage in civil war, to debase their currency so as to pay soldiers more, to hire barbarian mercenaries, etc. It is one thing to acknowledge these things happened, it is quite another to argue these were economically rational actions in the best interest of Rome.

Blu ray discs can only (legally) be played in licensed devices, and some of the decryption keys can and have been revoked.

Key revocation only affects future disc releases.

AIUI every disc is mastered with the latest revocation list. When your device sees that it is revoked by any disc, it bricks itself.

> When your device sees that it is revoked by any disc, it bricks itself.

Do you have a citation for that? I don't believe it, partly because I can imagine the sort of class action it would engender.

There are reports of bricked players on the internet, and unbricking, but those mostly seem to have been caused by bad firmware updates.

The wikipedia page on AACS only mentions revocations affecting future content.

https://en.wikipedia.org/wiki/Advanced_Access_Content_System


AFAICT, you're right.

A standalone offline player that can play Movie A today will be continue to be allowed to play Movie A forever.

Subsequently-purchased movies B, C, and/or D may or may not work (because of shenanigans like key revocations systems), but Movie A still plays fine even after these later titles have been introduced.

It's ugly, but it's not quite a brick.

The ugly part is shaped like this: A person buys a new movie and it doesn't work. They can't return the movie to the store because it's been opened, so now they're left with a disc they can't use and with less money than they had before. (Solutions include figuring out how to update the player's firmware if it's still supported, spending more money on a newer player, or becoming an Amish leatherworker and forgetting about all of this nonsense for the rest of their days.)


Possible solutions include small claims court. You can't refuse a refund for a defective product just because you had to open the box to find out it was defective.

Yeah, the distributed responsibility might make this difficult, but maybe not impossible.

Is the disc defective because it doesn't play in a labeled player, or is the player defective because it doesn't play a labeled disc?

Can the licensing body be held responsible?

In point of fact, you'd probably get your money back in small claims court just by suing the store, with evidence that your player plays other discs, just not this particular disc.

Unfortunately, that doesn't really fix the problem, so much as show that an angry-enough consumer with time, energy, and money, can usually get a token of recompense.


I think by default it's whichever one you bought later. The judge may tell you it's the other one. But it doesn't matter because either way the store has to issue a refund.

On the one hand, maybe it matters, because most people won't go to the trouble to sue, and suing the store doesn't really address the root cause anyway.

On the other hand, maybe it doesn't matter, because if this were really an issue, I'd expect to see class action suits.


> What is their fix for too small a market? Make Spaceship, an even bigger rocket ... for a market that sees no use for the existing Falcon 9 launch capacity ...

It’s designed to go to Mars. It boggles the mind that anyone would invest in a company and just ignore and/or disbelieve the reason the company was created. Either they’re just gambling or they’re delusional when they discuss so called fundamentals.


Going to Mars is absolutely insane value proposition for public company. There is no monetary gain from it. You have some political gain. But even that is one bad administration away from crashing for multiple years...

> Going to Mars is absolutely insane value proposition for public company.

So, you don’t invest in it. And then you don’t need to bother discussing the financial viability of Starlink or anything else.

It’s like there’s a planet sized elephant in the room that everyone is avoiding looking at.


> People I've worked with that used R and manged data / did analysis didn't really seem too concerned with long term maintenance.

Unless you’re the poor schmuck who is given the task of running the code written by the previous analyst, who has probably already left the company. Often it’s easier to just throw something together from scratch and then look for a new job, perpetuating the problem.


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