Grant♟️ ✓
@granawkins · GMT+7 · joined 17 Nov 2010
American Diaspora | Dad/Husband/Dev | I contain multitudes 📕 https://t.co/go5IByQsB4 📰 https://t.co/9roKNHo3b6 🗳️ https://t.co/LHAqqpGqxQ
10 579Followers
2 156Following
21 475Posts total
2.6MViews on collected posts
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found this from a few years ago https://t.co/DRsQscWHmQ
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@granawkins Learning Latin, Mandarin and Python were all easier and more worthwhile than learning CSS and React. I want to read a speculative fiction story about people going back in time and killing the inventors of flexbox and bootstrap on the way back from killing Hitler.
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🫦
this emoji is waaay to thirsty. who approved this?
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@granawkins A worthy human endeavor. Only 25 years to build.
These will be humanity’s new cathedrals.
So much more technologies to develop, engineering challenges to overcome!
cc @friedberg @theallinpod
💪💪💪 https://t.co/QsGiZd76FD
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GIF
POST SCRIPT
I found the doc above 3 years ago, got obsessed, and decided to go all-in on it.
I'm currently building simulations of mars habs for NatGeo and Biosphere 2 - check it out at https://t.co/cHvDbweoUe.
One way or another, we're gonna make this shit happen 🫡🔥🙏
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VII. THE END
Hope you found this thread interesting and inspiring! If you did, like and share it far and wide. If you see something that’s outdated, leave a comment. If you want to learn more, check out the conference report, linked below.
https://t.co/9em8OFAO1Z
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The project was expected to cost on the order of $200 billion. The whole thing was meant to enable the construction and maintenance of ‘Satellite Solar Power Stations’, which would beam solar electricity down to earth as microwaves, and offset the entire cost of construction.
24/
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Next, a small ‘construction shack’ would be setup at L5 along with a processing plant to refine moon rocks into aluminum, glass, oxygen and slag. Then, work would begin on construction of the torus structure and shield. Finally, soil, plants and inhabitants arrive from Earth.
23/
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VI. CONSTRUCTION TIMELINE
It was estimated that construction would take 20-25 years to be fully complete. The early years would include establishing the lunar base and mass driver, and lots of R&D to develop the Heavy-Lift rocket and refine sub-system designs.
22/ https://t.co/gR
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In order to maximize space use efficiency, the agricultural regions utilize several layers, operate at elevated CO2 levels, and are given maximum intensity and duration of sunlight year-round. Recycling of all micronutrients like nitrogen is also documented.
21/ https://t.co/tkig
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This includes (I kid you not): Trout, rabbit, beef, chicken, eggs, milk, wheat, sorghum, soybeans, corn, rice, sugar, carrots, lettuce, cabbage, peas, cucumbers, eggplant, okra, turnips, apples, potatoes, tomatoes, and oranges. “At a minimum.”
20/ https://t.co/LXkgx5Vsqb
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The designers aimed to provide 3000 calories per day per inhabitant, which would consist of 2000g of water, 470g of dry weight carbohydrates and fats, 60-70g of proteins, and adequate vitamins and minerals.
19/ https://t.co/g1orM7f59I
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V. LIFE SUPPORT SYSTEMS
While the habitat includes mechanical CO2 scrubbers, water purifiers and Oxygen generators, it’s designed with a natural ecosystem, carefully tuned to recycle these elements while also producing 100% of their food.
18/ https://t.co/60WSwKQ7aH
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On the ‘north’ side of the torus is a giant mirror, reflecting sunlight down toward solar electric cells filling in the center of the torus. Toward the hub, mirrors direct some of the light toward the ‘ceiling’ of the habitat during daylight hours to provide sunlight.
17/ https:/
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100m ‘south’ of the central hub, orthagonal to torus, is a solar-powered fabrication sphere, where lunar regolith is refined into structural aluminum, glass, oxygen for breathing and propellant, and slag for the shield. Next to it is an enormous radiator to dissipate heat.
16/ ht
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The torus is divided into 6 segments - alternating between residential and agricultural - each with a dedicated spoke connecting it to the central hub, and able to be isolated in the event of an emergency. Mechanical subsystems were located ‘underground’ and out of sight.
15/ htt
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IV. LAYOUT OF THE HABITAT
Despite the extreme conditions, the designers prioritized beauty and comfort. Inhabitants would live in detached, family-sized units with generous areas given to parks, green space and recreation.
14/ https://t.co/FiuigzTZOe
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Speaking of atmosphere, the absolute pressure in the habitat is only half of earth-normal. Earth is basically 80/20 nitrogen/oxygen, but our body only really needs the oxygen, and any nitrogen has to come from the earth - at a high price tag.
13/ https://t.co/c4wczKvXx7
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Several alternatives were considered. The Torus ultimately wins because it uses far less structural mass and atmosphere than a cylinder or sphere to provide 1G at 1RPM, and offers better vistas and lines-of-sight than dumbbells or beads.
12/ https://t.co/AUBu5GBVAg
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III. THE SHAPE OF THE HABITAT
The structure must (1) rotate to provide pseudo-gravity at <= 1 RPM, (2) hold an atmosphere with enough pressure to sustain life, (3) accommodate the psychological needs of the inhabitants and (4) minimize cost.
11/ https://t.co/AR3EUYqWEp
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When the stockpile got large enough (every ~6 months), the space station would use the same pellet-hurler to propel it from L2 to L5 and deliver raw lunar regolith to the settlement construction site.
10/ https://t.co/KEiRpDRTne
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For the Moon, by virtue of the sheer tonnage required, we’d need something more substantial. An electromagnetic mass driver would be delivered to the lunar surface, which would hurl 10-kg chunks of moon rocks into space at a rate of 5/second, nonstop, for a decade.
8/ https://t.c
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The study anticipates the development of a ‘Heavy Lift Launch Vehicle’, with a payload capacity of ~120 tons (remarkably close to Starship!), to ferry materials from the Earth’s surface to low-earth orbit. From there, a ‘modular tug’ would ferry them to L5.
7/ https://t.co/17jBHz
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The Moon has 1/6 the gravity of Earth, so it’s much easier to get mass into orbit. Based on samples brought back from manned Moon missions, lunar regolith (soil) contains many useful elements for constructing our settlement. The rest would be brought from Earth.
6/ https://t.co/f
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II. WHERE TO GET MATERIALS
The structure needs around 10 million tons of mass. More than 90% of that is for the ‘shield’ to protect the inhabitants from meteoroids and radiation, so any old rocks will do. It also needs large amounts of aluminum, glass and soil.
5/ https://t.co/v5
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Whenever you have 2 large bodies in space, there are 5 ‘Lagrange points’, where the gravity of the two objects balances out and objects tend to ‘stay put’. L1/2/3 are stable on 2 axes, while L4/5 are stable on all axes - making them an ideal location for long-term settlement.
4/
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Against accounts of the same size
7 posts from the last 90 days, next to the 10K–100K follower range. reaches fewer people than peers, but engages them much harder.
Median views45this account924median for 10K–100K
Reach, %0.43%this account3.62%median for 10K–100K
Engagement, %4.33%this account1.52%median for 10K–100K
| Metric | This account | Median for 10K–100K | Ratio |
|---|---|---|---|
| Median views per post | 45 | 924 | 0.05× |
| Reach (views ÷ followers) | 0.43% | 3.62% | 0.12× |
| Engagement rate | 4.33% | 1.52% | 2.85× |
Others in this range → Compare with another account → How these benchmarks are built →
Growth & engagement
How the posts we collected actually performed: views and reaction rate post by post, what the audience did with them, and where the follower count goes.
Views per post
19.9K2 May
19.3K
18.8K
24.6K
61.8K
18.9K
5.1K
15218 Sep
712
15
19
4
508
45
Last 14 collected posts, oldest on the left. The scale is logarithmic: one post can outrun the rest a hundred times over.
Engagement rate per post
0.90%2 May
0.95%
0.78%
0.87%
0.51%
2.66%
0.75%
0.00%18 Sep
3.93%
6.67%
5.26%
50.00%
4.33%
2.22%
Reactions — likes, reposts, replies and quotes — divided by views. Median for 10K–100K accounts is 1.52%.
What the audience does
Likes90.3%4 756 in total
Reposts2.9%153 in total
Replies1.5%79 in total
Quotes1.0%52 in total
Bookmarks4.3%229 in total
Share of every reaction we collected for this account. Replies mean argument, reposts mean endorsement, bookmarks mean the post was worth keeping.
The follower curve appears once this account has two daily snapshots — we take one a day, and this one is on its first.
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