- it might be fun to try to make a modern wooden sailing ship cargo fleet.
maybe with an emergency diesel engine in the back.
- i wish there was more talk about this. it seems i heard a lot about making hydrocarbons from co2 in the air + solar or algae a couple years ago. if your hydrocarbons are made this way it seems they would be carbon neutral.
i'm guessing there's more research to make it feasable since i haven't seen "carbon neutral gas alternative" at the local Chevron.
- i would have given this guy credit if he compared cost of production for petro fuels when talking about energy debt.
also conflates power with energy, but fine.
if you talk about cost (dollar or kilowatt hour) per joule delivered to a vehicle and then compared the total cost of electric vs. the total cost of petro, i would listen. but he ignored the fact that petro fuels cost money, energy and water to produce.
and there some things electric motors can do that ice can't. an electric ekranoplan isn't too infeasible, but we know from soviet studies you can't keep salt water out of an aspirated motor when you're that close to the water's surface. turns out electric motors can be sealed against water.
and dissing physicists? wtf? makes me think he failed out of an engineering physics degree cause he didn't understand math. as we used to say, the limit of a bs or be as gpa approaches zero is bba.
- Back in the day Convex Computer Corporation was laying off a large fraction of its staff.
The plan was to come into the warroom and just hang out. Your manager would come and get you and take you into a private conference room to discuss your package with an HR specialist. The packages were pretty decent, at least.
In gallows humor I drew some stick figures on a white board for each of my team with their unix logins below them. As people were RIFfed, I would go over and put a universal red circle and slash "no" symbol around the figures who were laid off.
My time came and I marked myself as a "no" and handed the red marker to a co-worker.
I remember being a little ticked off at my manager, but when I came back to say goodbye to everyone I noticed his figure / login name had been exed out. The last thing he did before metaphorically being shot in the head was to metaphorically strangle half his children.
"What was deluxe became debris, I never questioned loyalty. But this dead end demolishes the dream of an open highway."
- Modern CS programs teach to what they perceive to be the interview their students will encounter after graduation: what is a tree data structure, how to craft a SQL query and how to calculate a CRC with a python library. More advanced CS/CE departments still teach discrete math and compilers/parsing for students intending to go to grad schools.
My experience with recent CS grads is it's easier to hire Art and Political Science grads and take the time to teach them programming and all it's fundamentals. At least they won't argue with you when you tell them not to use regexes to parse HTML.
- Maybe we'll see a boost in worker productivity.
- I couldn't find reference to quintrophy or quintrophy1x in the IACR eprint archive (or on a google search.) And I think you forgot the references to external review.
- yup, there was just so much money flowing around. it was like the dot com era for aeronautical engineers and machinists.
- we lived in rona hills for about 4 years. not biking distance, but close enough to visit frequently. and as a youngster they let me conduct the AF orchestra there at the AF 25th anniversary. Very good memories.
- They tell the most pernicious lies about radiation.
- not really.
- I remember seeing this beast at the Air Force 25th anniversary in '72 at wright pat. Pretty sure the one I saw didn't ever fly again.
- Apropos of Don't Look Up, 2024 YR4 doesn't yet have an official name (or at least I haven't heard it if it does.) So my friends have started calling it "2024 Dibiasky" as a joke.
- I was sort of pulling for the asteroid and got depressed when I heard this, but then realized... 0.28 percent is not zero. There's still enough of a chance it'll hit that we're going to be forced to take it seriously.
In the states we're dismantiling our research and development infrastructure (will the last person at Stennis or JPL please turn out the lights) but China has been making strides and the ESA has a pretty decent record of launching things, so maybe there's enough time for them to plan, launch and execute a DART-like impact mission on 2024 YR4.
We will know we're living in a simulation if North Korea puts a nuke on a large rocket and successfully deflects it.
- I guess this is for DOS only systems? I used elm on BSD/386 in the 80s, and honestly was a little surprised to learn it's still being maintained by Kari Hurtta. And then I was thinking, Pegasus can't be older than Pine, Alpine or Mutt, can it? But yes, it is. You learn something new every day.
- no.
- you might want to have a few special agents swing by big balls' apartment and go through whatever hard drives can be found. ive got to think they've already made an offsite backup.
- I suspect there was a human who posted a link to the OP's post here on HN. It is -that- human who was being asked to provide context since they should have know that by posting a link to HN, they are posting a link to a community that may be different from the OP's original audience.
i.e.- this was not a rerquest or taner saner to provide context, but a request for @ericdiao to provide context.
- Whether or not 30k tps is slow depends on what kind of transactions you're talking about and whether you're measuring the whole system or one core.
One of the nice things about HTTP(S) is it has rerdirect semantics (to shed load) and requests are easy to send through a load balancer. 30k requests per second for static web data is well within the capability of a modestly scaled cloud or random assortment of machines in someone's data-center.
Also remember old networks that fed mainframe apps used to be pretty slow. I'm more familiar with old school travel agent tech. it was not uncommon to have offices of 5-15 travel agents all sharing a single 56 kilobit data line. So much of the coolness of mainframes was being able to aggregate hundreds or thousands or tens of thousands of remote terminals in the time when a 1200 baud modem was considered "fast."
And when they say "transactions" they're not talking about web requests, they're talking about multi-phase commit over multiple sub transactions, all of which have to be unrollable if any of them fails.
When I was at IBM/AIX division in the early 90s, we were excited we could get 30 tpmC out of a $15k RS/6000. The AS/400 team down the hall would snicker at us and invite us to watch their $30k entry level machines doing something closer to 500 transactions per second.
But the thing is... they were using a much simpler data representation scheme that made it MUCH easier for data inconsistencies to creep into the process.
So... modern PCs are more architecturally similar to old mainframes than old 8/16 bit micros. And they're certainly faster. But those old systems had plenty of tricks up their metaphorical sleeves.
- 2024 YR4 isn't that great of a name. I'm guessing the discoverer gets to name it. Is there a more human-friendly name?
- dude is definitely a dude. cheezed off that someone can take leave after a miscarriage.
- Also... do you have the whole post somewhere. I didn't get past Microsoft's registration wall. It only let me see the first couple of lines.
- I manage university relations for our corporation and give money (though not very much) to have our corporate logo next to the Udub logo.
I'm not sure this kind of misbehaviour reflects well on our brand.
Do you have a contact at the university I can talk to?
- sweet! thx!
- I think each of the ideas listed: dsls, control loops, being clever, etc. They all have their place, and I wouldn't say they never work. I've had each of these work well in specific situations.
But the OP does have a point, they each can introduce more trouble then they're worth. Were I to write this post, I would have titled it something more like "Systems Ideas Yo Really Should Think About Long And Hard Before Doing."
But yeah, that might not be enough warning.
- a paragraph about what it is and how it's intended to be used and documentation on it's API, assuming it has an API, would be useful.
- and they had a "geek port" -- what nerd wouldn't love a machine with a GEEK port?
- At the time apple looked at beos, the print subsystem was... far from complete. There were probably many deal killers with Be, but this was the one I remember people kept repeating.
but mixing your comment with a few others, maybe a nuke plant on the ground that cracks the co2 in the atmosphere to make carbon neutral hydrocarbon fuel.