Yah but you’re gonna need a lot of escalators and they’re gonna be very congested. Like, I’m sure it can be made to work, I just question the wisdom of having the commercial be separated out like that.
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I mean, that’s kind a huge issue in Hong Kong, like, how concentrated the commercial areas get. Creates a lot of unnecessarily long travel from housing to commercial, culminating in a lot of pedestrian congestion along stairways, elevators and escalators.
I don’t think that the first level would be enough TBH. Like; it would probably have to be 2 or 3 stories of commercial to serve just the bare minimum needs of that volume of people, and now half your commercial is off street level, complicating pathing from public transit.
Also, it’s tennis, what I assume is racket ball, a swimming pool and a couple basket ball court, so I think it’s actually a pretty good variety of activities, but still, not enough space for the volume of people, if all the blocks around it were the same density and had different varieties of activity, there still just wouldn’t be enough recreational space for the volume of people, even if the variety was absurd between them all.
Like, maybe the density is warranted somewhere like hongkong where the government is largely funded by land sales, so maximizing the density is important for making the land sale valuable enough to fund social services, but like, there’s just not enough visible recreation and comercial, maybe they’ve got a strip underground by a subway station or something. I’d be curious how they make this work.
Not gonna lie, I don’t think that’s enough recreation space for the number of units there.
And I don’t see any commercial space at all. That’s got to be enough units for several thousand people. Like, think about how much store space would be needed to make sure they could get all their groceries.
megopie@lemmy.blahaj.zoneto
Science Memes@mander.xyz•just think of the optimizations!English
7·6 months agoThe image is of a hypothetical future Pangea not the original, so those mountains would form due to re-collision of Europe and North America.
megopie@lemmy.blahaj.zoneto
Science Memes@mander.xyz•just think of the optimizations!English
7·6 months ago. # Pave Pangea.
A sea of asphalt dotted with box stores and “luxury apartments” that are more parking space than living area.
Octopodes, pronounced oc-top-o-dees, not oc-to-po-des. Like Hercules.
Also, using the I ending to pluralize us endings comes out of an attempted prescriptive reform of English in the late 1800s to make it more like Latin. We still use es endings to pluralize us singulars most of the time, the places where we use I are ether direct usages of Latin words or remnants of that prescriptive push.
Technically, mammals did not evolve from reptiles, being synapsids, while reptiles are Sauropsids, having split basically immediately after the evolution of amniotes.
molten salt systems can be fail safe by having the coolant drain from parts of the system that can’t operate with solidified salt in them, even if they do, you can sends someone with a heating element to remelt the system at critical points before turning it on. It’s not like water where the coolant will physically expand and burst things when it freezes, water’s actually pretty weird in that regard, most things take up less volume when they freeze.
I don’t know why they couldn’t do the same for an alpha class, but I suspect it’s because running the reactor without coolant in it would have caused a melt down, and if any coolant was left inside it when turned off, the control rods would have been frozen in place preventing it from being restarted. Perhaps in such a tightly sealed system, the shrinkage caused by cooling could have caused things to break as well.
Various common steels with a bunch of insulation around it usually, sometimes with a thin coating. The potassium/sodium/calcium nitrate mixes that are used with concentrated solar systems operating in range between 200 C and 600 C. So like, yah you don’t want to touch it, but it’s not gonna do much to steel. It can be somewhat corrosive, but, this is fairly easily mitigated by design.
Molten salt for heat transfer and thermal storage is a pretty mature technology that goes way back before we started using it in concentrated solar systems.
They’re actually quite similar to thermoelectric generators. But the potential difference between two semi conductors is created by a heat differential rather than by photon excitation.
Thermoelectric generators have been used on various rovers and deep space probes as well as in remote lighthouses.
You can use molten salt to move and store heat but you don’t put it through a turbine. Molten salt systems run it through a heat exchanger that heats steam or CO2.
I really like the concentrated solar systems that use molten salt, where rather than heating water directly, molten salt is heated and stored In large insulated tanks and tapped off to a heat exchanger to run the turbines, thus allowing power generation to match demand and continue at a constant rate even when light level very (such as at night).
One interesting idea is to use a concentrated solar system to run an Einstein–Szilard refrigerator, or some other absorption refrigerator cycle.
Solar thermal has some distinct advantages when you start talking about really big instillations. Especially when considering power storage, molten salt systems can store heat and allow the generators to keep working even at night. Much cheaper than batteries at very large scales.
Thermal solar systems are generally very efficient when the goal is heating something, not just generating power. So say, you want to run an ammonia plant without burning natural gas, or if you want to melt down metals for recycling. There are so many industrial applications where it’s a better way of doing it than using an electric heating element.
Yes, super critical CO2 turbines can work in such a system. As can sterling engines. Or thermoelectric solid state couples.
Any system that uses a temperature differential to generate power can be used. It’s just a matter of what you care about in a given situation. Upfront cost, mechanical reliability, noise/vibration, and availability of needed components play in to what makes the most sense.
megopie@lemmy.blahaj.zoneto
Transgender@lemmy.blahaj.zone•Has Gavin Newsom really signed the most pro-trans bills of any governor?English
221·10 months agoHow quickly he changed his tune when he realized that earlier tact was not helping him win voters. How little confidence that gives that he stands for anything or can be trusted to stand by his promises to voters if/when he gets criticized while trying to implement them.
I’m beyond tired of the attempts to manufacture consent for his presidential run.
megopie@lemmy.blahaj.zoneto
Transgender@lemmy.blahaj.zone•They Broke With the Democratic Party on Trans Rights. Now, They’re Trying to Walk it Back.English
37·11 months agoYou can’t un-veto the bills you didn’t sign Gavin. Walking that back now just shows that you ether didn’t believe it and were willing to throw people who voted for you under the bus for brownie points with conservatives, or you do believe it and are just lying about your convictions now because you see that saying the quite part out loud is hurting your chance at greater power.
Ether way, it shows you can not be trusted with the presidency. That what you say in public has no bearing on how you govern, and thus voters can not trust you when you say you will govern in their interest.
megopie@lemmy.blahaj.zonetoLGBTQ+@lemmy.blahaj.zone•The Pentagon Released a Statement on Netflix's Gay Military Series Boots. Yes, the PentagonEnglish
10·1 year agoRead: pete had a meltdown when popular media depicted the millitary in anyway other than his prescribed image.
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Transgender@lemmy.blahaj.zone•Americans have grown more supportive of restrictions for trans people in recent years - Pew ResearchEnglish
7·1 year agoHonestly if they didn’t stand up for us, but weren’t promoting candidates that are actively trying to throw us under the bus, that would be a good start.

I mean, NYC has a fairly healthy level of pedestrian traffic in most areas. Times Square is mostly just full of tourists. I’m not as familiar with Tokyo but my understanding is a a lot of the more dense areas have a sort of 2/3 level layout of commercial, but there is level interconnects or they’re set up in conjunction with transit. So like, there are fairly large underground commercial strips at subway level, or sky bridges between blocks for 2nd story commercial.