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Comment Well, most of it... (Score 1) 26

Anything that goes slow enough to be captured into an orbit will eventually spiral inwards.

Well, most of it (when we're talking matter not already in another black hole). Ordinary stuff orbiting near a black hole gets torn apart by the enormous tides and forms a disk-like structure similar to a gas giant's rings. Interactions among it and with the black hole's magnetic and gravitic fields can eject a bit of it in a pair of jets out along the axis of the disk, powered apparently by the rest of the stuff falling in.

Comment Re:Hypothetical question (Score 1) 26

These two black holes wouldn't stick to each other, but start swirling around each other and eventually merge together.

This is partly because of friction with and among other stuff in orbit around the black holes in their "accretion disks". (Black holes experience friction by eating the stuff in the other hole's disk of debris, with the momentum of the black-hole-plus-dinner thus being different from the black-hole-before-dinner.)

It's also partly because the rapid acceleration of things passing near a black hole or orbiting it causes the emission of gravity waves to be strong enough that it carries off substantial energy. (In less extreme environments, like suns and planets, the waves are not detectable by current instruments. In the case of two black holes,orbiting each other, they're detectable from across pretty much the whole universe.) This loss of energy amounts to "friction" that eventually causes co-orbiting pairs of black holes to spiral in and combine.

Comment Reminds me of "Jan 6 insurrection" guilty pleas (Score 2) 94

This reminds me of the sentencing of the "January 6 insurrection" guilty pleas. As I (a non-lawyer) understand it...

Regardless of whether you consider it an insurrection or a protest march petitioning the government for redress of grievances...

In the wake of the events, the fed busted a bunch of the participants and left them rotting in prison for months (over a year), with no end in sight. In many cases this left families with no breadwinner, enormous legal costs, and expectations of losing all their property as part of some eventual conviction.

Then the prosecutors offered some of the defendants a plea deal; Plead guilty to a misdemeanor or short-sentence felony and we'll drop any other charges.

Rule of thumb: a misdemeanor generally is a crime with a max sentence of no more than a year in prison, a felony more than a year - which is why you see "year and a day" max sentences on some crimes. An accused person already in prison for over the max sentence would expect that accepting the deal would result in immediate release with "credit for time served" (and others near the max might expect release much sooner). So some of them went for it.

Came the sentencing some judges applied a two-year sentence enhancements for "substantial interference with the 'administration of justice.'" OOPS! No release for you.

I'd expect them to pull the same sort of thing on Assange if he were foolish enough to plead guilty to anything, no matter how minor.

(By the way: This particular form of the practice, as used on the Jan6 participants, was just recently struck down. But the decision was based on Congress' certification of the presidential election not qualifying as "administration of justice.'" So this wouldn't apply to whatever enhancement trick they might pull on Julian.

Comment Re:I heard pregnant women are (Score 2) 29

I don't know what you heard, but baby cells can only stay baby cells, they can't become mommy cells,

Sez who?

There's been evidence for some time that post-pregnancy mothers often have clones of stem cells derived from the previous foetus. Sure such a clone would likely start out with its epigenitc programming set for whatever function it had in the baby's development (unless, say, some error in its differentiation is what led to it migrating to the woman's body to set up shop). But once established on the mother's side of the placental barrier, and especially after the birth, the stem cell clone can be expected to continue to run its program under direction of the growth factors in the mother's blood.

That amounts to a transplant of younger stem cells which could be expected to produce differentiated cells for tissue growth and replacemtnt,, with the aging clock set farther back and with some genes from the father to provide "hybrid vigor", filling in for defective genes in the mother's genome or adding variant versions of molecular pathways.

Comment Re:Pay Up, Or Else (Score 1) 33

This strikes me as a bit of a shakedown, settle with out patent claims or we'll screw up your IPO by creating a new potential liability.

Back in the early days of the personal computer explosion there was a patent for the "XOR cursor" which I hear was used as a trolling operation. Story goes that every time a new hi-tek company was in that sensitive period just as they're about to go public, they'd get a notice that they were believed to be violating that (even if whatever they were doing didn't even involve a display with a cursor, XOR or otherwise) and an offer to license the patent for something substantial but far lower than the cost and risks of fighting it. ($10,000?) So the companies generally paid up rather than derail their IPO.

It was jokingly referred to as a tax on incorporation. There are rumors of discussions of buying a hit on the trolls. Apparently this netted over $50,000,000 before the patent expired. (Also there was apparently prior art discovered - AFTER the expiration.)

Comment Re:Fujitsu used to make cool stuff. Stagnate, now. (Score 1) 10

I used to work for Fujitsu on PC server support. Their PCs and servers are (or at least were) pretty darn good. I'd rather have a Fujitsu than a HP. (Dells are usually my favorites.)

Fujitsu systems sell decently in Japan and Europe, but have very little presence in the US.

I still have a Proxmox system that I built from a refurbished Primergy server 6 years ago, and it's still running just fine. Very happy. (Fujitsu had some internal sales on surplus systems and I was able to get it way cheap.)

Comment You could also get started with two molecules ... (Score 2) 127

You could also start with:
  - two molecules that (moderately) accurately copied each other (though getting them both at the same time makes the time scale to the big event much longer.)
  - A molecule that makes NEARLY always inacurate (but occasionally acurate and complete) copies of itself. (This also drastically pulls in the time to a two-molecule solution.)
  - A molecule that makes inaccurate copies but with string of typical errors that occasionally loops back to an accurate and complete (mod a few errors in unimportant places) copy of a previous version.

These could eventually mutate into a version that can perform a one-step copy-itself loop.

=====

I've always been partial to an RNA-only origin. RNA can do it all (self-copy, enzymes, energy transport batteries in at least two sizes with self-pluggin-in connectors: ATP/ADP and UTP/UDP, expression regulation, directed genetic code editing, etc.). It's also still doing a lot of that in current lifeforms, especially in key parts (such as many of the components of the DNA duplication, DNA repair, DNA-to-MRNA copy, gene expression regulation, MRNA exon-eliminating editing, and MRNA directed protein synthesis machinery)

Comment Re:Private satellite (Score 1) 53

The article doesn't really point out the remarkable part about this, which is that it's a privately funded satellite. This really shows a change in the space economy.

Granted the barriers to entry have been lowered somewhat... But privately owned satellites have been around since the first commercial telecommunications birds back in the 1960's.

Comment Re:If some survive the apocalypse, (Score 1) 113

While true, it kind of misses my (perhaps poorly and incompletely expressed) point. Information (such as how to use the slide rule in your example) is nice - but you still need the technology to produce the slide rule (or flint knapped spearpoint). Information is great for winning trivia contests, but survival depends on technology.

Comment How about infrastructure first? (Score 2) 343

I love my ICE vehicles but I accept that the future is electric.

How about working on methods of actually delivering the amount of power required to consumers before arbitrarily mandating the vehicles themselves, though? Have a viable plan to actually produce that power and build out charging infrastructure to make long journeys less of a hassle for current EV owners. You'll decrease consumers' resistance to EVs at the same time you're preparing for the volume we'll eventually see. Meanwhile, you're giving battery technology time to improve as well which will make a huge difference.

Because it's not politically sexy, that's why.

Comment They've know why for a while now. (Score 1) 110

They've known for a while now, and been talking about it for well over a year.

On Jan 1 2020 a new IMO (International Maratime Organization) regulation went into effect. The shipping industry drastically lowered the sulfur content of its fuels and the SOx content of ship exhaust plumes dropped by about 77%. (Other aspects of the fuel change also reduced some particulate pollution, too.)

The COVID sequestration also reduced shipping (and cloud-seeding exhaust from it), along with aircraft contrails and upper-atmosphere dust, and dust-generating industrial processes and transportation activity, which (like volcanic dust) also reflect sunlight over the ocean and lower temperatures.

I've seen claims that the reduction in ship exhaust plumes, alone, are enough to account for ALL the sea temperature rise since 2020, and that with the low-sulfur fuel in continued use the bulk of that excess heating will continue even as activity ramps up post-COVID.

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