JoBo

@JoBo@feddit.uk

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JoBo,

How is the microphone for phone calls?

JoBo,

That is true of all colours of hydrogen other than green (and possibly natural stores of ‘fossil’ hydrogen if they can be extracted without leakage).

Green hydrogen is better thought of as a battery than a fuel. It’s a good way to store the excess from renewables and may be the only way to solve problems like air travel.

How hydrogen is transforming these tiny Scottish islands

That’s not to say it’s perfect. Hydrogen in the atmosphere slows down the decomposition of methane so leaks must be kept well below 5% or the climate benefits are lost. We don’t have a good way to measure leaks. It’s also quite inefficient because a lot of energy is needed to compress it for portable uses.

And, of course, the biggest problem is that Big Carbon will never stop pushing for dirtier hydrogens to be included in the mix, if green hydrogen paves the way.

JoBo,

Batteries are too heavy for many applications (including, arguably, cars).

That doesn’t make hydrogen the only solution but it is at least a currently available solution. I posted a link about why the Orkneys (population 23k) are producing hydrogen and switching much of their transport to it: they have so much wind the UK (population 70m) national grid can’t take all the power they generate from it.

JoBo,

Yes. I’m not watching a video but it is a serious problem, especially as hydrogen degrades metals and finds its way out anyway. The private sector cannot be trusted to self-regulate nor the government to meaningfully regulate.

Trying very hard not to succumb to nihilism here …

Amanda Knox faces a new slander trial in Italy that could remove the last legal stain against her (apnews.com)

Amanda Knox faces another trial for slander this week in Italy in a case that could remove the last legal stain against her, nine years after Italy’s highest court threw out her conviction for the murder of her 21-year-old British roommate....

JoBo,

It’s always the police who write up what you say, then they ask you to sign it. They wrote up what she said and she signed it. The following day she wrote a long letter saying that she didn’t think it was true because she’s been under duress. That is why the conviction for slander has been quoshed and this new trial is now happening.

JoBo,

Your point only makes sense if you believe that Rudy Guede was telling the truth. It’s possible but she was acquitted so you probably shouldn’t libel her here.

JoBo,

You don’t have to be an Italian for that advice to be good.

JoBo,

She may well have ‘retrieved’ a false memory because the police were haranguing her about some texts with Lumumba but it was a lot more than her mentioning his name in passing. She signed two confessions saying that she had been in another room of the house while Lumumba murdered Meredith. Those confessions are considered inadmissible. This trial is about whether she did, in fact, slander him or whether it was entirely due to police pressure.

JoBo,

Rich people don’t have all their assets sitting as cash in a current account.

On Being an Outlier (www.goethe.de)

Proponents of AI and other optimists are often ready to acknowledge the numerous problems, threats, dangers, and downright murders enabled by these systems to date. But they also dismiss critique and assuage skepticism with the promise that these casualties are themselves outliers — exceptions, flukes — or, if not, they are...

JoBo,

The systems didn’t do anything they weren’t told to do.

You’re thinking of the kinds of algorithms written by human beings. AI is a black box. No one knows how these models obtain their answers.

JoBo,

That kind of analysis is done all the time. But, even if we can collect all the relevant data (big if), the methods required are difficult to interpret and easy to abuse (we can’t do an RCT of being born female vs male, or black vs white, &c). A good example is the proliferation of analyses claiming that the gender pay gap does not exist (after you’ve ‘controlled’ for all the things that cause the gender pay gap).

It’s not easy to do ‘right’ even when done in good faith.

The article isn’t claiming that it is easy, of course. It’s asking why power is so keen on one type of question and not its inverse. And that is a very good question, albeit one with a very easy answer. Power is not in the business of abolishing itself.

JoBo,

Isn’t that a continuation of “why the outlier was culled”?

Not sure I follow, but I think the answer is “no”.

If you control for all the causes of a difference, the difference will disappear. Which is fine if you’re looking for causal factors which are not already known to be causal factors, but no good at all if you’re trying to establish whether or not a difference exists.

It’s really quite difficult to ask a coherent question with real-world data from the messy, complicated reality of human beings.

A simple example:

Women are more likely to die from complications after a coronary artery bypass.

But if you include body surface area (a measure of body size) in your model, the difference between men and women disappears.

And if you go the whole hog and measure vein size, the importance of body size disappears too.

And, while we can never do an RCT to prove it, it makes perfect sense that smaller veins would increase the risk for a surgery which involves operating on blood vessels.

None of that means women do not, in fact, have a higher risk of dying after coronary artery bypass surgery. Collect all the data which has ever existed and women will still be more likely to die from the surgery. We have explained the phenomenon and found what is very likely to be the direct cause of higher mortality. Being a woman just makes you more likely to have that risk factor.

It is rare that the answer is as neat and simple as this. It is very easy to ask a different question from the one you thought you were asking (or pretend to be answering one question when you answered another).

You can’t just throw masses of data into a pot and expect sensible answers to come out. This is the key difference between statisticians and data scientists. And, not to throw shade on data scientists, they often end up explaining to the world that oestrogen makes people more likely to die from complications of coronary artery bypass surgery.

JoBo,

Where did you get insurance carriers from?

No idea what your post, before or after edit, is trying to say. But the subject of your quoted sentence is “proponents of AI” not “AI”, and the sentence is about what is enabled by AI systems. Your attempt at pedantry makes no sense.

If you’re suggesting that it is possible to build an AI with none of the biases embedded in the world it learns from, you might want to read that article again because the (obvious) rebuttal is right there.

JoBo,

Squatting in residences that are actually occupied by someone is vanishingly rare. This bit of legislation was just a bit of Tory chest-thumping based on apocryphal tales designed to scare their owner-occupier voting base.

Ideally councils would be much quicker to seize abandoned homes and return them to use, making squatting them unnecessary. But they won’t.

JoBo,

She’s very similar to JK Rowling, even if Jordan Peterson is as far as she’s got in her adventures with the far right so far.

You have an incorrect mental timeline on sports inclusion. Some sporting bodies have recently begun to introduce bans under pressure from conservative politicians desperate to distract the people they are pickpocketing. The stronger trend is for inclusion, because two years on gender-affirming hormones eliminates all the advantages a trans woman might have apart from extra height for those who went through a male puberty because they weren’t lucky enough to get puberty blockers early enough.

Laurel Hubbard: First transgender athlete to compete at Olympics

The 43-year-old became eligible to compete at the Olympics when the International Olympic Committee (IOC) in 2015 changed its rules allowing transgender athletes to compete as a woman if their testosterone levels are below a certain threshold.

(Feel free to look up Hubbard’s performances before and after transition.)

One of the big tells with Lewis is her scare-mongering about trans women in women’s prisons. It has long been the case in the UK that women who are considered too violent to be housed in a women’s prison have been sent to men’s prisons. This applies to all women, cis and trans, and obviously includes trans women who have committed violent crimes against other women. People like Lewis seize on very rare instances where errors have been made to cause alarm and distress. Of course, they ignore the fates of trans women who have mistakenly been housed in men’s prisons without any of the protective segregation cis women in men’s prisons receive.

Also it was weird of you to bring up her race in the original comment - her being a white woman is orthogonal to the criticism you are making of her.

No idea why you think race and class are not relevant in a comment about her abuse of intersectionality. If you don’t understand, dictionaires exist.

JoBo, (edited )

She has used her considerable platform to make trans lives worse in many ways, not just with regard to sport.

Because she is a transphobic piece of shit, you see.

JoBo,

As I’ve said elsewhere, it’s about who you want to benefit from your clicks. Pirate her books and articles if you want to know what she has to say (but honestly, it’s not much so probs don’t bother).

JoBo,

Archive link

JoBo,

The CPS, and equivalents in Scotland, brought around a third of the wrongful prosecutions.

The barristers the CPS employs to bring prosecutions are the same barristers used by the Post Office, using the same courts and the same judges.

This scandal just shines a light on how impossible the criminal justice system is for ordinary people with more limited means. Bates vs PO only happened because they managed to find 555 claimants (500 being the minimum their funders needed to risk it).

There was a case settled in 2003 because the court appointed a single independent expert to act for both sides and he pointed out all the holes in the Post Office case. That should have been the end of it. But they made the Cleveleys subpostmaster sign a confidentiality agreement, slandered the expert, and carried on prosecuting.

I told Post Office the truth about Horizon in 2003, IT expert says

JoBo,

All barristers are only as good as the evidence given to them

That’s not entirely true. The Secret Barrister made a good point on the site I won’t visit to grab the link: people always ask how you can defend someone you know is guilty; they never ask how you can prosecute someone who you know is innocent.

We have an adversarial system, not an inquisatorial one. Barristers are paid to present one case or the other, not decide what is true for themselves.

There are barristers and judges who may well be sanctioned, professionally if not also criminally, for their part in this scandal. Richard Morgan is one that sticks in my mind. He relied on an entirely circular argument (Lee Castleton signed off the accounts therefore the reliability of Horizon is irrelevant, even though it produced the accounts that Castleton had to sign if he wanted to continue trading). If you read/watch his appearance at the inquiry, it appears to literally dawn on him during the questioning. He was professionally negligent and he should not be allowed to get away with it.

JoBo,

It was known that the software was shitty and buggy before it was foisted on the Post Office, having been rejected by DWP (and the Post Office right up until they were given no choice). It was Blair’s decision, he didn’t want to upset Fujitsu or discourage investment from Japan.

Short and long versions of a report into that on the JFSA website.

Pressure from govt to pretend that it worked, and to make the business profitable for privatisation, caused this inhuman clusterfuck.

JoBo,

This is disgusting. PIP is designed to help with additional costs incurred due to an illness or disability but there are loads of people who are too sick to work who don’t need it, and many others who do need it but don’t qualify.

Cold weather payments should be extended to everyone who is reliant on benefits to survive (which would mean almost every benefit other than PIP being a qualifying benefit).

JoBo,

The data showed that the chance of scoring rose when teammates showed their support through touch. The effect only appeared after a failed first shot, which makes sense because such a scenario is likely to spike stress levels.

Of course, the data is not shown. And the study is not able to draw causal conclusions. In this case, they’ve hunted around and found a subset of shots (second shots after a first failed shot) where it’s true. And it’s easy to make up reasons after the fact why that might make sense.

It does seem very reasonable to hypothesise that supportive team mates make it less likely you choke on the second shot. But they haven’t shown this is down to touch (they just used that as a proxy for supportive team mates). Nor that the percentage of successful second shots after a failed first shot would be improved by more touching regardless of whether team mates are genuinely supportive or quietly seething…

JoBo,

Important to emphasise that this is a real, and distressing condition.

But if it is real there will usually be a plenty of evidence that it is real. Sexsomniacs most often attack the person lying asleep next to them, and they’re horrified and confused when they realise what has happened. The CPS should not be dropping cases simply because the defendant can afford expensive lawyers. And the case where they claimed the victim had sexsomnia is outrageous.

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