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patagurbon

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Parting ways with our Julia simulation after 100M miles

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1 points·by patagurbon·10 mesi fa·1 comments

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patagurbon
·15 giorni fa·discuss
We have the physics but not the engineering. See the Breakthrough Starshot project for instance
patagurbon
·27 giorni fa·discuss
The whole problem with CalHSR is precisely that they can’t spend any real money… There were governmental barriers like CEQA and local NIMBYs but the primary cost culprit is that the legislature has continuously kicked fully funding the project down the tracks for the past two decades. Funding it fully with a 10-20 year construction timeline in the early 2010s would’ve far cheaper at this point.

Every American economic miracle has been precipitated by the government building basic infrastructure and doing basic research.
patagurbon
·2 mesi fa·discuss
Kinetic strikes sure. It seems like space marines would be incredibly easy to shoot down. They would be on a ballistic re-entry and must slow down without extreme g-forces before they reach the ground.
patagurbon
·4 mesi fa·discuss
SRY testing was done at the 1996 games and for a while before that. 8 cisgender women tested positive at that games. Far more than the number of transgender athletes who have ever participated. This resulted in genetic testing being changed from all women to on-suspicion.

The bottom line is these tests will catch dozens of people who are phenotypically women, who can even give birth. Why should men be allowed to compete as genetic freaks but not women?
patagurbon
·4 mesi fa·discuss
There is no evidence of widespread electoral fraud in the US.

There is a political talking point that “aliens are voting” in our elections but it has been proven false again and again. The purpose of this is to put up barriers for legitimate citizens to vote, not to truly fix an imaginary problem.
patagurbon
·4 mesi fa·discuss
In reproducing code that requires the license be reproduced alongside it.
patagurbon
·4 mesi fa·discuss
What does specialized to the process mean? Lots of JIT tooling these days readily supports caching and precompilation. Invalidation is hard but things like reloading global references are hardly intractable problems especially for an org as large as pgsql.
patagurbon
·6 mesi fa·discuss
That Erdos problem solution is believed by quite a few to be a previous result found in the literature, just used in a slightly different way. It also seems not a lack of progress but simply no one cared to give it a go.

That’s a really fantastic capability, but not super surprising.
patagurbon
·6 mesi fa·discuss
The zoning laws are far from the only tool used by municipalities to dramatically reduce supply. Permitting, requiring expensive changes at various points in the process, local building boards requiring extraneous modifications and often forcing scope reductions, affordable housing requirements, etc all make building more expensive. Often by a very large amount.

These processes are intentionally labyrinthine
patagurbon
·7 mesi fa·discuss
I'm not opposed to alternative research organizations, funding structures, etc. But this does seem like a fairly direct attempt to shift funding from universities into private firms, a funding structure which IMHO is much easier to abuse.

> Tech Labs will provide entrepreneurial teams of proven scientists the freedom and flexibility to pursue breakthrough science at breakneck speed, without needing to frequently stop and apply for additional grant funding with each new idea or development.

This sounds great, but has a few issues. #1 only funding proven scientists risks destroying the training pipeline which is the crucial edge that the US has over any other country in the world. It's also something that can and should be applied to universities as well. Lab groups or centers should be given much more runway than they are now.

> coordinated, interdisciplinary teams to achieve success

There are two places where this can really happen today: universities and national labs. The NSF should be fostering more cross-disciplinary and product engineering research across different departments at universities which already have deep talent pools across the board.

> The Tech Labs initiative will support full-time teams of researchers, scientists, and engineers

This sounds great, more university labs should have full-time researchers attached. Research Software Engineers are one somewhat common example in the computational sciences.

In general I support the overall mission statement but I am extremely wary of this kind of rhetoric from this government. They have failed to walk the walk on the sciences in any domain. This seems like a Trojan horse to transfer more money from the research apparatus into industry.
patagurbon
·7 mesi fa·discuss
The store I worked at for a while had a surprising number of real bearded experts, alongside at least a few younger folks who really understood the internal systems. It was great, but clearly was eroding as the experts retired and young folks with no experience were hired to replace them.
patagurbon
·7 mesi fa·discuss
Their internal setup was also an absolute mess as of 4 years ago. A horrific hybrid of extremely legacy systems and new systems created around COVID which are both nicer and also deeply lacking in features we needed as floor workers.

I understand that upgrading and migrating to new systems takes time but this process never seemed like it involved anyone on the ground.
patagurbon
·8 mesi fa·discuss
Do you have evidence for this? I don’t think Nvidia is switching to Ultra Ethernet, just adding it to the product line-up
patagurbon
·9 mesi fa·discuss
> are women just poorer?

Within living memory absolutely 100%.
patagurbon
·9 mesi fa·discuss
What parts of the biology of sex mandates different treatment? Do you mean that medicine should be tailored to biology? Yes obviously, and even very progressive research hospitals take great pains to ensure the treatment is tailored to biology. Perhaps more so than conservative hospitals. You would know this if you engaged with the research outside of the news.

Outside of medicine? What different treatment does “biology” merit?
patagurbon
·9 mesi fa·discuss
I bet they’re reading the room. They will have some problems if they’re the only ones who sign, but fewer if there’s at least two others who join them.
patagurbon
·9 mesi fa·discuss
Who, what? Elaborate. Waving your hands like this is meaningless.

What are these progressive views? What is this scientific evidence? Who are these people trying rigorously?
patagurbon
·9 mesi fa·discuss
Again, I am not in favor of those things. I am perfectly happy for interviewees to be filtered for basic respect for people of all walks of life. I hope the reasoning there is obvious.

Regardless governments must let the natural academic process handle these institutional issues.
patagurbon
·9 mesi fa·discuss
None of the other universities have agreed yet.

What do you mean by laser focused? Do you have specific policies to address this? If not then this is a natural part of the unfocused nature of knowledge work, and the natural weakness of human organizations.

University research and knowledge work in general is backtracking search, not gradient descent in a friendly loss landscape.
patagurbon
·9 mesi fa·discuss
There is a fundamental issue with this kind of federalism though in that it increases strife and could easily lead to civil war.

Let’s say we get rid of Medicare, Medicaid, social security, and research funding at the federal level. What happens next?

The West Coast and North East form compacts, companies, or nonprofits that provide healthcare, retirement and funding for their schools. The south, parts of the Midwest, and the plains fail to do so (at least to the same level) and within a generation we have two separate countries and war.