HN user
I try to be unentangled.
Yup, Growatt is the Chinese OEM that Base Power white labels to pretend it does US manufacturing. In fact this stuff is low quality. You need to be careful. There are gradations of quality at cell, pack, inverter, control levels. You will be crushed if you realize you AliExpressed your way to a home power "solution" only to have it fail young.
For what it's worth, Tesla PV/batt inverters are bad, almost as bad as the Chinese manufacturers mentioned ITT. PW3 has very high failure rate ~10%+RMA, not good enough IMO to be in the path of power at my house.
(Their motor inverters are world-class, but totally different topology)
exactly right -- although tesla is weak on power electronics for the industrial scale sites, too. there are SPOFs there in the power conversion chain.
but a DISASTER in residential.
Tesla Powerwall products (including Powerwall 3) have a massive failure rate. Seems like 10% over lifetime. Shoddy technology compared to the leading competitors, especially the inverter. They should go back to white labeling cheap Delta inverters.
It has better search and context management under the hood, which matters for big companies.
But you can also see quantitatively that Sourcegraph produces the most accepted code: https://www.theinformation.com/articles/openai-catching-anth...
Of course, Sourcegraph is better.
These are forcememed companies, unfortunately. Neither Palantir nor Anduril make a single thing that China doesn't, and neither one makes a single thing at attractive cost that would intimidate China in a conflict. They could disappear tomorrow with no impact to US military lethality.
EVs with BrakeFlow resistive protection against thermal runaway also will have a big impact –– allowing for faster discharge into the grid. Increasing cRate for grid services can "bring forward" the point in time –– so 2030 could even happen a few years sooner if these high performance batteries from Enovix come to the EV market soon.
https://arstechnica.com/information-technology/2021/05/ajit-...
The phenomenon is that consumer prices for broadband go up, even as the wholesale cost of bandwidth (what Comcast is reselling to you) goes down. The cause of this is a mix of two things:
1. Cable companies have regional monopolies. Without a choice, they can raise prices on consumers without losing customers
2. Cable companies face ever increasing 'infrastructural' costs, such as environmental review, trenching, construction, permitting, easements, etc... These costs are well established as going up in excess of inflation (part of why we can't build new infrastructure anymore) and therefore even while the product itself (internet access) gets cheaper, the 'last mile' of distribution keeps getting more expensive.
Yes, I violated eli5 rules. Sorry
Same reason internet bandwidth if more abundant and cheaper than ever, but your Comcast bill seems to actually only go up.
Local rooftop solar, with no reliance on utility monopolies, is the most important thing in the global energy picture, and I'm afraid it isn't even close. And I'm pro nuclear. But it's past time to recognize that it's the distribution monopolists that are the problem. Solar and batteries free you from that.
Does anyone have any good articles about AWS (or other) lock in? I have Matt Prince's article about egress fees, but I'm looking for something more thorough.
No, Westinghouse has designs for small reactors too.
One prob with oklo seems its amateurish funding and founding. The other is that maybe 1 mw isn’t so useful. 100mw makes a difference (with distribution), so does 50kw (without distribution.)
What is 1 mw for? An airport, maybe?
Real science investors with access to high level nuclear talent never seemed to think much of this company.
Its financing seems to be Koch Industries, through a strange sort of PR/VC arm they have.
The denial is substantive. I am pro fission but, erm, would rather go with Westinghouse.
Many are not lawyers at all, as is the case here.
What gets me is that amazing innovation was taking place, and privately financed. CA households were themselves paying out of their own pockets to build the huge additional capacity needed for EVs, for instance. All that rooftop solar really adds up. It also makes PGE's job much easier. They barely have to lift a finger these days when it's sunny and not too hot.
But PG&E and its uniparty allies like the NRDC just couldn't have it. They want control. They can't support distributed, renewable energy, because it cuts their (very badly maintained and undeserving of support) monopoly on distribution.
Classic CA decision that only serves PG&E and insiders, not the people.
Needs to be reversed by the State Legislature.
Now, PGE will pay you unreasonably low prices when you sell power back to them. So much so that installing solar may not make sense. You will still buy from them at $0.30/kw, or even more during peak.
Additionally you will pay to PG&E $8 per kW of solar you've installed (and personally financed) PER MONTH, and get nothing in return. That's just a transfer of money from you to PG&E, to punish you for getting solar. ("But no, PG&E has to maintain transmission lines!" Yes, that's why they buy energy at wholesale rates are are allowed by law to sell them at retail at a huge spread. That's where they make the money to maintain lines.)
He is referring to a statistical quantization mistake that the target, COVID lockdown critic Alex Berenson, did not make.
"If I get the immunization, I won't get it."
That is what the word vaccine means to ordinary people. Stop accusing me of changing a definition that your side is changing. [1] That kind of behavior belongs on Reddit.
The burden isn't on me, a fan of vaccines that have documented high performance. (There are many of them. They aren't hard to find. Try medRxiv.)
The burden is on you, a person who seems to believe without evidence that the COVID-19 vaccines prevent people from becoming infected with COVID (they don't) perpetually (they don't). There are many fully vaccinated people dying with COVID because (as with most other COVID deaths!) of serious comorbidities.
The best current evidence is that the COVID-19 vaccines have a good effect on preventing hospitalization and death, little effect on preventing infection, and all benefits attenuate materially at between 3 and 9 months.
It's an insanely mediocre product, which is fine because COVID is mediocre at killing people. But its mediocrity means the mandates -- especially for under 30s, especially for young men, especially for those rich in IgG antibodies -- is unjustifiable.
In American tort law, the standard is what a reasonable person would understand from the statement. A reasonable person understands "vaccine" as something sterilizing against the target. The COVID-19 vaccines wouldn't be called vaccines by the average person who completely understood their effect on a person.
"Herd immunity from natural exposure is dangerous and isn't going to happen. A year and a half on, only 4% of the population here has tested positive."
That's because a lot of people have had it, never felt too bad, and never got tested while the virus was actively replicating in their body. This has been proven in randomized serological tests in many jurisdictions now.
What makes you think the vaccine is an extremely effective solution to lockdowns? There are now many examples of high-vaccination countries with the same rapid case count rises that were the excuse for lockdowns in the first place.
The vaccines are somewhat effective therapeutics whose population-level effects weaken quite a bit after 3-6 months.
Herd immunity of the (virtually no risk) under 60 group continues to be the only way out. I'm sorry that your "sacrifice" of masks, staying home, and getting the jab were not the heroic things you thought they were. But there weren't heroic at all. They meant nothing. This is all now very obvious from cross-sectional international data.
No. Enovix beat them to market (seemingly by just a few months) with a 100% silicon anode. These two companies will change the world, the only question will be is it Enovix (which makes whole batteries) or Sila (which only makes anode materials).
Enovix now has a 100% silicon anode battery in actual production. Looks like they will win the race. Former IBM / FormFactor probe card guys. Factory in Fremont California. From last week: https://vimeo.com/575951266
Facial recognition works pretty well, as anyone who works in the field can tell you. So it's already different from phrenology. It's even more different from prenology in that facial and voice recognition are search and surveying tools, not conclusion or judgement tools.
I agree.
As someone from a poor family, never received inheritance of any kind, and now (40 years old) makes +/- $1M per year, I climbed through every 'tax bracket'. The income tax system is absolutely designed to make it very hard to move through working class into middle class, and then from middle class to upper middle class.
Once you have escape velocity, you've got room to move with debt facilities and other options. Everyone wants to give you free, high quality banking services. It gets easier. But moving from, say $70K to $500K is very very hard specifically because of taxes.
For a very long time, the cumulative sum of taxes I'd paid were more than the money I actually had in my account, to invest and pay for things.
Ted Cruz was right, taxes should fit on a postcard for everyone.
And no, unrealized investments shouldn't be taxed and no one except do-nothing journalists are surprised to learn that they aren't - this ProPublica article is really the definition of fake news.
Actually let me just say what it is: propaganda leaked in order to build support for the president's tax increases, which are a very bad idea.
It can be true both that AI beats radiologists AND the number of radiologist jobs in the U.S. is going up.
You are exactly correct, and being downvoted because of religious zealotry. This is a mathematical model. Yes, face coverings cover the face. It's a long (and ultimately disproven) leap to: face coverings materially suppress virus in a society of millions of people.
A science study that only shows, as this one does, that face coverings cover the face is not very useful. The public policy piece is much more complex. High masking states did NOT do better on COVID than low masking states.
I think YouTube will still remove a video if a scientist or physician talks about COVID having a 0.03% mortality rate.