You’re mistaken. Dark matter, whatever it is, isn’t affected by anything except gravity. It interacts with gravity just like “normal” matter.
The evidence is also significantly better than you’re describing
You’re mistaken. Dark matter, whatever it is, isn’t affected by anything except gravity. It interacts with gravity just like “normal” matter.
The evidence is also significantly better than you’re describing
People down voting you for bringing up Kessler syndrome were correct to do so. It’s a complete non-issue for starlink-sized objects at that altitude.
Light pollution is a more reasonable objection, and the effects on the upper atmosphere of all those satellites burning up would be as well, but not Kessler syndrome
I have at least a little sympathy for SpaceX’s position that the regulations are unfit for purpose if they need a modification to their licence to use a different fuel tank, that seems totally immaterial to the flight
Actually, I suspect he’s implying that nobody’s trying to assassinate Harris because all the democracy-hating assassins are on her side, or she’s the one setting them up, or something to that effect.
It’s still the sort of slander which in a reasonable world he’d be called on, but that seems unlikely
Hey now, some of us have standards.
We have shitty python scripts
Cuboids are prisms. Specially, they’re rectangular prisms
The assesment that he’s the wealthiest person on earth is pretty dubious, actually. The analyses which list the worlds wealthiest people always are, because they have to decide what counts as wealth and how to count it.
Normally that’s fairly easy, but for very powerful people (who, as you point out, the people at the top of those lists are) it gets murky because of things like stocks and options which they could liquidate in theory, but which would crash in value if they tried to actually do so. Does it still count as wealth if it only exists so long as you don’t spend it?
There are also people who’s wealth isn’t held in any currency, or gold, or stocks. How do you measure the wealth or power of a sovereign king, or any other kind of dictator? You certainly can’t neatly put it in a scale alongside people who just have a dragon’s horde of cash somewhere, that wouldn’t be comparing like for like
In their defense, a judge probably would try and answer basic legal questions to support a defendant who for some reason didn’t have a lawyer to ask, unless that defendant had already gone out of their way to antagonise the judge.
Sadly, I suspect there’s a lot of overlap between people who are representing themselves and people who have annoyed the judge
I would describe it as being in free-fall whenever it’s not in being held up by any interaction with a solid surface, even indirectly. I’m not sure everyone would agree with my definition, but it’s not a term you’ll see used much in serious engineering precisely because it is a bit vague.
For example, an aircraft in flight isn’t in free-fall because it’s being held up by the air, which is in turn held up by the ground. An aircraft (or spacecraft) which has no wings is being slowed down by air resistance, but not actually held up and is therefore in free-fall.
An ascending rocket is generating forces which hold it up, rather than transferring forces to something which won’t move (like the ground), so I would consider it to be in free-fall
No, even when the engines are firing it’s in free-fall. The only forces on the booster or fuel (aside from internal ones like gyroscopic or centrifugal dynamics) are thrust, control thrusters, and depending on the phase of flight drag & aerodynamic control.
Thrust always points roughly along the length of the booster, and drag always acts against the direction of travel, so the external forces acting on the fuel are almost 100% up or down during all phases of flight. The only exceptions are manoeuvres when the attitude control systems is rotating the vehicle, either by grid-fin or thrusters, so any redistribution of the fuel or snow will be entirely driven by those movements, and their own inertia
Excellent video & analysis, as always.
I was highly irritated by the erroneous claim that things would settle to the earth-facing side of the tank though. The damn thing’s in free-fall, the direction of the gravity vector is entirely irrelevant! The conclusions mostly still work, but it has more to do with jostling and slosh causing the snow to move, not gravity
That’s apparently less risky than riding back on Starliner
Not necessarily. The dangers involved in coming home packed like unsuited sardines in the back of a Dragon only come into play if they need to evacuated the ISS to begin with, so they’re saying the odds of abandoning the ISS and the Dragon capsule loosing it’s atmosphere are better than the odds of a catastrophic failure of the Starliner
Fair enough, I didn’t consider compute resources
The actual length of the password isn’t the problem. If they were “doing stuff right” then it would make no difference to them whether the password was 20 characters or 200, because once it was hashed both would be stored in the same amount of space.
The fact that they’ve specified a limit is strong evidence that they’renot doing it right
Surely the main problem with colonialism was mistreatment of the people who were already living there? I don’t see how it’s a problem on barren rock, or in vacuum
HARM is a category of weapon which seeks things like radar or jammers. They weren’t suggesting that the jammers are literally harmless.
In unrelated news: the jammers are, in fact, harmless unless you’re making a habit of riding on top of the tank. The radio energy isn’t going to penetrate a significant thickness of conductive material, such as armour plating. Or unless you’re the person being jammed, in which case they’re a different category of harmful
I’ve seen another thread in which someone shared what they claim to be a table of the actual data on which the accusation is based. Unless they were making it up entirely, then it’s pretty clear that the data is simply wrong. It was littered with what could only be typos involving misplaced decimal points, with consecutive measurements being different by almost exactly a factor of 1000
I don’t see “about 10 years”, I see “decades or longer”.
10 years would be a miracle, there’s effectively no atmosphere above about 600km (which is one reason the other mega constellations have been at or around 500km)
Except what they deliberately deorbit (which they’ll probably be trying to do, if only to avoid fouling up their own orbit) they’re going to generate debris which is up there for centuries, realistically
I was about to comment that those concerns are always exaggerated by people who object to the constellations for other reasons, and that they’re in a low enough orbit that it’s not a realistic concern due to atmospheric drag, but I checked first and god damnit, they’re putting these things at 800km. That’s absolutely high enough that they’ll be there pretty much forever, unless someone goes out of their way to clean it up
You don’t need a force to prevent collapse if there’s no drag force to slow things down. It would actually be almost impossible for a cloud of dark matter to collapse since any individual particle has momentum and no way to slow down, so they’ll all be in some sort of mutual orbit