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> Her salary of £421 million in 2020 was 50% higher than it was in 2019, and higher than all FTSE 100 Index CEOs combined.

Whilst it is technically a salary, since the business is wholly owned by her and her family it is effectively a dividend, so it isn't quite accurate to compare it to CEO's of non-wholly owned private or public companies. Other CEO's might have gotten paid more since they might own enough stocks in the company to receive dividends, or share awards etc...

That's a fair point, it would be more interesting to compare the salary to equivalent, family-owned private companies (although I'm sure most of them don't disclose that sort of thing).

Wasn't it something like a 3-4% reduction in private school pupil numbers? And some of those would have ended up homeschooled rather than state.

I think they're clamping down on cash held in Stocks and Shares ISAs, not Cash ISAs.

As the government wants to encourage people to be invested and not hold cash, from '27 you'll only be able to add 12k in Cash ISA. They are planning to also change the limit on cash held on S&S ISAs to avoid an easy workaround for this limit

Ah I see, I wasn't aware of the Cash ISA change too, thanks.

True, but it avoids any unknowns when the office manager is organising a senior leadership lunch meeting. "Nobody ever got fired for buying Pret".

Recommend Corning Museum of Glass (upstate NY) for similar reasons. Really awesome.

> The main reason humanity hasn't meaningfully started expanding into space is because it used to cost $54,000 to get a liter of water into space.

Am I naive in thinking that we haven't expanded into space because we don't need to? What's the benefit?


> What's the benefit?

For why we'd want to go at all: there's a lot of resources up there, and pollution is much less of a concern for factories made up there. Also some material processes may be much easier in zero-gee.

But that doesn't mean it's actually worth the effort.


Asteroid mining is the obvious one. That said as part of looking into SpaceX's business I learned that currently the TAM for launching other people's stuff into space is under $10 billion. SpaceX already owns most of that market. Their own focus on data centers in space IMO speaks for itself.

A hedge against civilization-destroying events. Meteors, global war, disease.

Space is not a hedge against these things. At best it's our final tomb.

There is no backup plan.


to be fair, in the pharoahs quest for immortality after death, if they could have put their pyramid burial tombs in space to avoid decay/ruin for longer they would have. I wouldn't be shocked to see the oligarchs paying for their own space burials inside very lavish satellites whose orbit won't decay for thousands of years so they can "live forever".

> we haven't expanded into space because we don't need to? What's the benefit?

Access to resources. A sense of adventure. Learning.


Which resources are cheaper to get from space? I’ve only ever seen hand waiving arguments, never any math.

That depends entirely on the price; things are very different when it costs $20k/kg to orbit (basically nothing is worth that) vs. $20/kg to orbit.

Some people are suggesting making high quality fibre optics and pharmaceuticals in LEO already with Falcon prices:

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

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

While I am *extremely* skeptical, I've heard people talk about space-based solar. I mention this only so nobody adds an "and also" for that.

Ditto anyone talking about lunar He-3. This is a bad idea, "why" is long enough to be worthy of a blog post.

But if you were committed to expansionism for whatever reason, then you'd want some way to get industrial quantities of steel from mines already in space, to make the factories themselves cheaper. Possibly megastructures like an orbital ring, too.


The hand waving is probably reasonable for a couple of reasons. The first is that you can't really math things out yet when costs are shifting by orders of magnitude on relatively short timeframes. What seems impossible in one year is a casual achievement in the next. If we go back to 2002 (when SpaceX was founded) and I told you that within 2 decades they'd have lowered the cost to get stuff to space by more than 97% relative to Space Shuttle, it'd have sounded somewhere between unreasonable and impossible, yet that is exactly what happened. And Starship is set to send prices plummeting yet again.

The second reason is that the notion of economics becomes kind of odd when you start introducing space. Space has practically infinite resources of every type imaginable. For instance one single asteroid, Psyche 16, is thought to have orders of magnitude more gold than has ever been extracted in human history. But I mean, what does this even mean economically? Obviously if you start bringing back hundreds of thousands of tons of gold, the price is going plummet. And even the viable possibility of this happening would probably send the price of gold plummeting. So... it's weird. We're in uncharted waters.

And then on top of this access to space will mean we will start expanding outward - colonies, vastly larger stations stations, and so on. And these expansions will develop their own parallel economies with their own needs/production/etc. This is all kind of like trying to predict the economics of the internet before the first cable had been laid.


Most people I see online freak out at the idea of normalizing living in an apartment/condo and slightly higher density. I don’t see them lining up to live in space :)

As far back as the 60s NASA had already laid out technical plans for how to get humans to Mars. The Moon was never meant to be the destination, but a brief stepping stone to greater things. So we can thank Nixon for setting humanity's progress back by half a century. The ISS and Space Shuttle both were driven largely by these initial plans.

But the current claustrophobic nature of the ISS was, again, not the destination. There was a grand scheme of in-orbit refueling, fuel depots, and much larger scale space architecture. Something of the ISS scale was intended as a short jumping-off point, a workers' tent analog. But our progress stalled out and the workers' tent is what we were left with.

The point I'm making here is that space in the era we're stepping into is very unlikely to look much like the one we're leaving. This is even more true as the price drops because private industry will be able to play a major role. There will be no Nixon to just cancel everything out of concerns for his political career.


Depends on the timescale, and what other tech is the prerequisite to this and what other things can be done with that tech.

Even with cheap rockets, Musk was talking about 6-digit-dollars for becoming a Martian, I don't see more than a few million people wanting to spend that much for that outcome.

If we get self-replicating robots or whatever, big space stations aren't that expensive, but also Earth is huge and you can extract minerals from seawater electrolytically and PV is already cheap, so perhaps we'd just get a load of seasteads instead: https://en.wikipedia.org/wiki/Seasteading


How far out would you say that is? Have you sketched out the net present value calculation for an investment in spacex today based on that?

> How far out would you say that is?

Really hard to say. Everyone who does space stuff talks with the same level of optimism as Musk but historically they deliver less.

But for what it's worth, I don't think Musk's going to reach Mars except in an urn, baring some surprise development in anti-aging medicine. Even though their progress is rapid by the standards of the industry, they are still slow in terms of natural human lifespan and his age.

> Have you sketched out the net present value calculation for an investment in spacex today based on that?

IMO, their market cap should be around $200bn at the moment. That's mostly Starlink, so if there's a Kessler cascade *or* if China makes a competitor that goes down to about $80-100bn

The long-term stuff about Mars or turning the moon into a factory for modular data centres is too far into the future to be worth considering.


That was my general impression. They did amazing work to totally change launch costs (with more on the way). But launch was a limited market. The low costs have and will grow it, and starlink will grow it, but not enough to justify this value.

In investing it's critical to think about things probabilistically, rather than trying to just guess the future. "Fooled by Randomness" is a great book on this. In a scenario like this it's especially critical, because in the case where Starship fully delivers and the next great frontier of humanity opens up, the upside potentially is practically infinite.

E.g. imagine in a bet you think there's a 99% chance of something being worth $1 and a 1% chance of it being worth $1 million. What's a fair price? It's a simple calculation - 0.99 * 1 + 0.01 * 1,000,000 = ~$10,000. That's you setting a price of $10k on something that you fully expect to be worth $1 99% of the time, and still coming out just fine.

So the actual debate should not be on 'guess the future' but rather on the odds of Starship delivering and estimating the impact this would have. And I think to many the answers are fairly easy - 'very nonzero' and 'very big.' It's akin to the NVidia/Apple stories, except in this case it's being somewhat priced into the market to begin with because it's somewhat more probable, and easier to foresee.


The problem with that argument is the failure to reasonably factor in time. If you take an expected value approach (quite reasonable in general) looking into the future you need to discount for time or everything goes to infinity.

As ben_w also hit on the time aspect, I ended up responded to him and you simultaneously here. [1]

[1] - https://news.ycombinator.com/item?id=48565321


While the point is valid, the upside still isn't practically infinite; humans intuitively do something close to hyperbolic discounting for future returns (I assume evolution did this because of the possibility of black swans but it isn't talking).

The easy version of this is to value a company over the next 20 years of profits. The first half of that time horizon, I don't see much changing at all outside of Starlink subscribers. They've only got ~5 Mars launch windows in any given decade, and while their design philosophy is great for LEO where launch windows are daily, launching rockets to see what fails is exactly wrong for Mars.

OTOH, now to 2036, there's at least a chance AI goes boom. Perhaps even one of Musk's AI. Great for the overall economy (at least right up until it changes the economy so much that capitalism looks as obsolete as feudalism looks today, which may or may not be in that horizon), but even if it's the next industrial revolution, there's so much competition there that I expect everyone's profit margins to be almost nothing. And conversely, if any one of them does appear to be massively dominant, in comes an anti-trust case (who remembers Standard Oil?)

Same with rockets, though a "rocket boom" is perhaps an unfortunate phrasing. He finds a way to make more money than expected, just like he's already doing with Starlink? Great. Industrial espionage is a thing, and even if it wasn't, China's not got a problem with the state funding businesses to simply re-discover everyone else's secret sauce. US companies and residents may find themselves restricted from using the fruit of that work, but most of the world will just buy what's cheapest.

Still, as I said, your point is valid.


Starship has already made it to orbit multiple times. It's likely that it will be ready to go operational in well under a decade. As we're speaking of upside potential, let's just assume the aspirational goals are hit - and you end up seeing $10-$20/kg to space. You've just revolutionized not only space, but all transport on Earth as those prices are less than most terrestrial shipping options, and it can be delivered anywhere on Earth in a matter of minutes.

The implications of that are quite difficult to even fathom because again this is one of those things where I feel like we're trying to predict the economics of the internet before the first cable had been laid. But the one thing that can be very safely said is that the impact would be revolutionary.

And that is completely ignoring space when the whole point of Starship is being able to get 100+ tons to the Moon or Mars, which again revolutionizes those domains first in terms of size, but vastly more importantly - in terms of cost as well. This opens the door to viable private development on the Moon and Mars (to say nothing of space itself). And again the implications of this are very difficult to predict, but it would also certainly be revolutionary.

---

The competition issue you've brought is, in my opinion, one of the most viable concerns. If America can get stuff to orbit for $20/kg then it feels like China always finds a way to do it for $0.20/kg. But the reality is that SpaceX's secret sauce isn't all that secret. Their exact alloys, general construction specs, and more are all public knowledge. Many have tried, including with vast resources and wits behind them, and all have failed.

China is almost certainly going to be the #2 player and their Long March 9 [1] is their attempt to clone the Starship, but for now it's vaporware. And to actually get these things out onto the launch pad isn't the endgame, but just the beginning of the race. They are almost certainly years behind SpaceX, and the distance is likely increasing over time as SpaceX shows no signs of slowing down, and now has no funding constraints whatsoever.

[1] - https://en.wikipedia.org/wiki/Long_March_9


> Starship has already made it to orbit multiple times. It's likely that it will be ready to go operational in well under a decade. As we're speaking of upside potential, let's just assume the aspirational goals are hit - and you end up seeing $10-$20/kg to space. You've just revolutionized not only space, but all transport on Earth as those prices are less than most terrestrial shipping options, and it can be delivered anywhere on Earth in a matter of minutes.

Let's assume it reaches $10/kg (I don't think it will, but let's assume that).

A 20ft shipping container can carry about 24 tons; the cost of shipping it to the other side of the world is much less than $240,000; the numbers I see vary depending on details, but even high numbers are less than $6k, which is $0.25/kg, and even then half of it is port-side not the ship's own cost. Air freight may get more competition, but not all shipping. And it won't replace a lot of trucks because it's too big (how many places want 10 container loads worth of goods at the same time?)

Yes, point-to-point 45 minute deliveries worldwide are going to have their uses, but price alone isn't revolutionary in that particular way.

Passenger flight would be something I can't rule out, but multi-gee launches will limit the numbers, the inherent noise issues will limit the launch locations.

I do agree with you that the implications will be difficult to guess correctly; however this is true in both directions, not just the positives, e.g. network hardware is vital to the internet, Cisco makes that, yet here's the history of Cisco stocks, with 25 years from the peak of the dot.com bubble to when it next reached the same price: https://www.google.com/finance/beta/quote/CSCO:NASDAQ?window...

> And that is completely ignoring space when the whole point of Starship is being able to get 100+ tons to the Moon or Mars, which again revolutionizes those domains first in terms of size, but vastly more importantly - in terms of cost as well. This opens the door to viable private development on the Moon and Mars (to say nothing of space itself). And again the implications of this are very difficult to predict, but it would also certainly be revolutionary.

Eventually, yes. But not soon enough for me to want to price it in today. Remember, hyperbolic discounting, black swans, competition, other things I can do with the money while I wait, all that means when I price it I want to know what it can do in the next 20 years at most. Even if I'm being optimistic about timelines, it would still take 20 years for the Moon to get enough industry for SpaceX to be worth the current market cap. (Well, unless someone makes a von Neumann replicator, but if that happens then whoever makes the replicator wins, regardless of if it was launched by SpaceX or not). Mars is harder.

> China is almost certainly going to be the #2 player and their Long March 9 [1] is their attempt to clone the Starship, but for now it's vaporware

Until they have enough confidence to put it into a circular orbit rather than one which has it hitting the Indian Ocean every time just in case something fails, the same can be said of actual Starship.

> They are almost certainly years behind SpaceX, and the distance is likely increasing over time as SpaceX shows no signs of slowing down, and now has no funding constraints whatsoever.

I assume China's behind, but with their secrecy (let alone the language barrier) it's hard to tell.

But SpaceX definitely has funding constraints. GAAP is says about $60bn obligations, but all-in they want to spend several hundred billion over the next few years and do not have enough revenue to cover it, so even with the IPO they are at actual risk of running out of money.

This is why the IPO happened at all: they ran out of private investors willing to give them money.


Most of your arguments have been perfectly reasonable, but trying to argue about the value of a shipping tanker vs point to point minutes time transport is not. We're speaking of viable same day delivery anywhere in the world, or same hour in some cases. Obvious complete replacements would be air freight, military logistics, and much more. For stuff you're fine taking months, sea shipping will likely remain favorable.

Cisco is more comparable to something like NVidia in modern times in that their valuations was driven by success during a time that was already screaming bubble, and an expectation for that bubble to somehow never pop. By contrast the space industry hasn't even really begun yet, so the wager on SpaceX is more speculative in one way, but also much more likely to be stable in another.

China isn't likely behind - they are definitely far behind. They can't even settle on a design for their Starship. And similarly, I think one thing SpaceX has proven is that fail fast is the way forward. You can't just sit in a sim and send these things up. There's too many unknown unknowns that you can only learn by watching things go boom, a lot. There is no world where China just unveils their secret Starship clone and starts flying successful missions with it. Again that's something everybody tries (in no small part because it sucks when things worth tens of millions of dollars go boom), and always fails with.

SpaceX has never had any trouble raising funds when desired. I think the main reason they IPO'd is as a black swan hedge. We're at a major inflection point on many levels, and it's very conceivable that in 10 years the US' role in the global economy will have been greatly reduced. Obviously that $3 trillion valuation is largely funny money, but for now that funny money still functions well enough. But that's likely liminal. It's entirely possible, if not likely, that we're currently Japan circa 1989.


It's not about the "Access to resources. A sense of adventure. Learning."

Since you are right. All of these things are available on Earth for far cheaper, with better ROI and with far less risk of dying or getting early cancer from cosmic rays.

The real benefit is a commanding lead over geopolitical rivals in the domain of satellites and satellite platforms for hosting devices in orbit, thus securing an insurmountable national security advantage.


The only argument for space is because you're so set on capitalism that you'd rather destroy the earth than stop trying to continually grow profit. If you're that sick and deluded, then space gives you a way to escape the consequences of your own foolish hubris.

I guess it's a bit like the nuclear deterrent. The threat of them raising prices or refusing to sell to other countries might be enough.


It's been downhill since FB removed pokes.


I think they're still there, but deeply hidden in their menus


> Ursa will probably be gone in 10 years

Or worse, absorbed by one of the big manufacturers.


I mean, the Hay Festival is in Wales. You don't have to be in America to be affected.


No but she lives in America (she's from New Zealand but I think her partner and kids are American). She'll go back there and could get arrested or her assets confiscated.

It would be a big problem if you ever need to go there. Which at least for me is of course a lot less likely in this day and age. If my job asks me to go I'll refuse. Even though I don't have any legal issues there, I just don't feel safe anymore especially being an outspoken LGBT advocate. And I understand giving them social media accounts will be mandatory soon which is a dealbreaker for me also, again nothing to hide but I just don't want to.


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