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Hello All,

I have been imagining a custom scenario where our current Earth's populations are "largely" replaced by all manners of fantasy races like elves and orcs and vampires as well as sci-fi alien races like the prometheus.

Earth will be called "Earth-V" in the future.

Earth-V's buildings will be replaced by all manner of skyscrapers reaching to the clouds. All cities and buildings will be built by the most fantastic sci-fi magical technologies which will enable the world trade towers to be completely built in 1 day.

Also there are underground cities going all the way down into Earth-V's inner core. Earth-V's inner core will be transformed into the most fantastic underground city ever for the top echelons of the populations.

I wonder if there are any estimates for Earth-V's populations which anyone care to give me in here?

I am thinking maybe 100 Trillion Humans/Humanoids who can live most comfortably on Earth-V?

What do you think?

Looking forward to your answers.

Nah, I'd just do away with the vulgarity of primitive material cities and simply convert the solar system into computronium, then run everybody's digitized selves as post-human programs in infinite virtual reality space.

Or, I'd keep the ecosystem and etch all the material in the solar system at the quantum level into running nested phase spaces in which a near-infinite number of post-humans can run on the underlaying ylem of the universe and powered by zero point energy. This ties into the 'holographic universe' idea. That way I have massive population, simulated and customizable universes, and keep Bambi too.

In fact, that's what I've already done(it took seven billion years, or seven seconds, depending on what clock speed you use. Then I took a nap). Can you tell if you're real or a simulation? No? Good.

I might run Earth-V on my virtual laptop, in the drive space next to my 'Pong' app.

I hate to be technical but it really does come down to how much space is needed for "Most Fantastical" -- generally big fantastic scenery takes up a lot of empty space, wealthy people like a lot of room for themselves, so even though there's a lot of space if you convert most of the planet into mega-skyscrapers, the answer still has to come down to population density: How many individuals are you packing in per square kilometer of permanent residents. If you have a tower that's thousands of miles tall, but only 5 rooms every so many floors, that's important to know. also how many residential buildings as opposed to everything else. also how much land is given over to food production for all these people?

If he's turned the inner core* into residential space, that means no central heating, no magnetic field, none of what keeps Earth from turning into Mars.
You might use the space to stack your new residents like cordwood, but that's all their life is going to be like.

I'll go with a ringworld, and any of the many dyson sphere options, thank you.

*Didn't the Daleks try to remove the Earth's core? I'm sure it wasn't for the benefit of -trillions- of happy living beings.

Hi .. before I respond to the previous posts, may I ask if it is possible for 20 trillions humans humanoids to build the most magnificent tallest largest cities in all the deserts worldwide with the deepest underground cities possible?

Imagine desert Tokyo where all the deserts will be as densely populated as Tokyo.

Every square inch of the deserts will be built upon.

taalismn wrote:If he's turned the inner core* into residential space, that means no central heating, no magnetic field, none of what keeps Earth from turning into Mars.
You might use the space to stack your new residents like cordwood, but that's all their life is going to be like.

I'll go with a ringworld, and any of the many dyson sphere options, thank you.

*Didn't the Daleks try to remove the Earth's core? I'm sure it wasn't for the benefit of -trillions- of happy living beings.

Advanced technologies can be used to replace central heating and magnetic fields.

V-Origin wrote:Hi .. before I respond to the previous posts, may I ask if it is possible for 20 trillions humans humanoids to build the most magnificent tallest largest cities in all the deserts worldwide with the deepest underground cities possible?

Imagine desert Tokyo where all the deserts will be as densely populated as Tokyo.

Every square inch of the deserts will be built upon.

In theory sure, though it would change weather patterns. Also drive a lot of species to extinction.

V-Origin wrote:[
Advanced technologies can be used to replace central heating and magnetic fields.

Still need a power source. And if you've got the advanced means to replace the Earth's core, why bother using a planet as the basis of your urban congestion nightmare? Trantor needed an entire galactic empire to keep its city-covered surface, piled hundreds of levels deep, with food and other resources. This project's going to need a lot more in the way of expensive life support.
Why not either dismantle the planet entirely and build a new shape like a ring world(you'll need more than just the Earth for mass, though) or build space habitats? If you're going transhuman, posthuman, nonhuman, why not go postplanet?

Looks like you're aiming for numbers and not sustainability, viability, or reasonability. I figure that for the cost and effort of building the 'most magnificent tallest largest cities in all the deserts worldwide with the deepest underground cities possible', you could build much more efficient, impressive, and functionally awe-inspiring structures elsewhere in the solar system while still keeping the Earth intact as is(and maybe even better with the right industries and population removed off world) .

Earth-V sounds more and more like a bunker-mentality housing development with a closed sky.

There is some consensus is that the carrying capacity of Earth is ~9-11billion people. Ignoring that, and using rounded numbers, I'll do a little napkin math. Let's assume that all material needs are provided via futuretech/magic/delivered from offworld.

Macau is the most densely populated place on the planet, at ~21K/km[sup]2[/sup]. If the entire land mass of the Earth was as densely populated as Macau it could hold a population of just over 3 trillion. If there were no buildings above 1 story that would mean each person is allocated just under 50m[sup]2[/sup]. Accounting for wall thickness, and switching over to square feet, each person will be living for this example in a 500 square foot apartment, which while larger than some Manhattan apartments is still just a 22.3 ft square. Let's keep with that size as a minimum tolerable living quarters. If each person never had to leave their quarters, and the entire land mass of the Earth was covered in contiguous megabuildings, 100 trilllion people could fit in 34 floors. Assuming the ground floor of the complex was left for shops, this would be like making the entire planet the Edifício Copan.

People, of course, need to be able to move around to other people's quarters, or to communal spaces like parks and markets. Let's instead assume that only 25% of the land mass can be dedicated to actual quarters, excluding things like connecting hallways and roads and everything else. That would make each residential space 136 stories tall, which is a little taller than the tallest current residential building, Central Park Tower. Using that building as a rough guide, and assuming its interior is entirely converted to living cubicules, it would take over 40 billion Central Park Towers to house 100 trillion people, which is more than 5 skyscrapers/person alive today.

Curbludgeon wrote:People, of course, need to be able to move around to other people's quarters, or to communal spaces like parks and markets. Let's instead assume that only 25% of the land mass can be dedicated to actual quarters, excluding things like connecting hallways and roads and everything else. That would make each residential space 136 stories tall, which is a little taller than the tallest current residential building, Central Park Tower. Using that building as a rough guide, and assuming its interior is entirely converted to living cubicules, it would take over 40 billion Central Park Towers to house 100 trillion people, which is more than 5 skyscrapers/person alive today.

-You then have to factor in that V-Origin has stated that the inhabitants are 'all manners of fantasy races like elves and orcs and vampires as well as sci-fi alien races like the prometheus'. ----While some will be smaller than the human norm, others will be larger than the norm, and need more space, just to move around, or to engage in physical activity necessary for their health...like flying, hunting, or because they want a large buffer around themselves.

-'Earth-V's inner core will be transformed into the most fantastic underground city ever for the top echelons of the populations'---This doesn't sound like folks who would be satisfied with bare minimal floor space. Where's the wine cellar going to go? Or the three car garage? Or the lake-sized jacuzzi? Or the private hunting reservation? Or is luxury defined by 'window view that doesn't look out over some back alley'?

- Superlatives---All that 'magnificence' is also going to take up space and resources...and magnificent by whose standards? A dragon's idea of opulence may differ greatly from an elf's, or a vampire's.


And there's context: WHY is such a concentration of population necessary? Is Earth-V the center of an empire, and everybody wants to live near the center of power*? Is it a trap, meant to lure a massive concentration of life-force so that somebody can feed off so many beings in close proximity? Is it a fishbowl, where the humans, who all are sitting off world, can peer down and watch all the non-humans in their ant farm? Is it a bunker, because space is suddenly hostile and everybody has to hunker down in proximity to the planet or under its skin?

*In which case, the drain of resources will make the planet royally resented for all it consumes. Oh, and make it a target for WMDs. Like Lensmen-style inertialess planets or black hole projectors.

But I have the feeling it's a real estate scam. Too many 'magnificent' thrown in the description.

Hello All And Thank You To Everyone For All The Wonderful Inputs.

taalismn wrote:And there's context: WHY is such a concentration of population necessary? Is Earth-V the center of an empire, and everybody wants to live near the center of power*? Is it a trap, meant to lure a massive concentration of life-force so that somebody can feed off so many beings in close proximity? Is it a fishbowl, where the humans, who all are sitting off world, can peer down and watch all the non-humans in their ant farm? Is it a bunker, because space is suddenly hostile and everybody has to hunker down in proximity to the planet or under its skin?

I like to add that the God Original Creator of all universes and all existences are born on Earth-V as a human male so basically Earth-V has been designed to contain and hold the energies of the Original Creator. Besides the Original Creator has been living on Earth-V for so many decades now that every atom of Earth-V has been suffocated with God's Energies so basically Earth-V has become like an sentient Old One radiating obscene amounts of God's Energies.

Only selected humans and humanoids and other beings of all existences will be allowed to live on Earth-V to absorb the energies of God and Earth-V to continuously evolve. All the materials and technologies used for creating advanced technologies and advanced buildings will be manifested by God's Omni-Powers.

Earth-V should start to be rebuilt by the year 2020. With God's Powers Manifesting God's Technologies like "GodBots", the World Trade Towers can be completely built from scratch in 1 hour. Skyscrapers reaching out to the clouds can be built from scratch in 1 day. Underground cities going deep into the inner core can be built in 1 month.

https://en.wikipedia.org/wiki/List_of_deserts_by_area

The first areas in the world to be completely rebuilt will the all the deserts in this world. I have done some calculations and the total deserts area is this world, minus the Arctic and Antartica, is 20925100 sq kilometers.

https://en.wikipedia.org/wiki/List_of_c ... on_density

The most populated density of the most populous city in the world is Manila standing at 46,178 humans per sq kilometers. Multiplying these two figures together, you can put 966,279,267,800 humans in desert cities as crowded as Manila in all the deserts around the world. This figure is close to 1 Trillion so I assumed if Manila is to be rebuilt in all deserts across the world, 1 Trillion humans can live like Manila citizens in all deserts all over the world.

However if I built 10 Kilometers Skyscrapers tall upwards and more than 200 Kilometers Underground Cities deep downwards, I can safely and most comfortably accommodate 20 Trillion humans humanoids in the desert cities.

I came up with a cute name for my desert cities. For eg, I would call the desert city in the Sahara desert "Oasis Sahara" or the Gobi desert "Oasis Gobi". All the desert cities would be named with the word Oasis in front followed by the desert's name in the back to reflect the overwhelming amount of the most beautiful flora trees plants water etc. which would be incorporated into the Oasis Cities.

***The Oasis Cities would be more densely populated than other cities around the world.***

More ideas to come to respond to all your posts. Thank you for all your wonderful inputs again.

3 drinks.