Thoughts on The Line

May. 23rd, 2025 09:47 am
mindstalk: (Default)
[personal profile] mindstalk

A video yesterday reminded me of the Saudi Line proposal to build a brand new very linear city (or linear arcology, one long building) in western Arabia. I looked again at the numbers, and wow it is nuts.

170 km long.

500 m high.

200 m wide.

(Area 34 km2.)

It's supposed to be higher than it's long! Crazy. You could probably bring the cost down just by flipping those two numbers (though maybe ventilating a 500 m wide building would be a bit more challenging, I dunno.)

For minimizing trip lengths you would want a circular city, or something close like a diamond or grid. But I can see some appeal of a linear city: simplifying your high speed transport by needing just one backbone route, and keeping it easy to go outside the city into a greenbelt/preserve. (Not sure how much point to that there is in western Arabia, but anyway.) So I wondered what a saner proposal might look like.

1) drop the arcology and just go with a conventional city with streets and buildings.

2) Have the width be at least a 5 minute walk from edge to spine, so 400 meters, making it 800 meters (10 minutes) edge to edge, which avoids the need to have any cross transit. This is 4x the width, so could reduce the length from 170 km to 42 km. (Though the original proposal used the height to be very high density, which I'm kind of waving away.)

You could double the width, for a 20 minute edge-edge walk; 1.6 km x 21 km.

But since you're trying to avoid cars, you should go in for bicycles and other micromobility, at let's say 3x expected walking speed. 2.4 km edge to spine, and 4.8 x 7 km in shape... which is actually almost a square, whoops. And you'd probably need cross-transit again for the minority who can't use any form of wheels, or the larger group who don't always want to. Still, it's a city where every point is a 10 minute bike/fast powerchair ride to the central spine, at 15 km/hr.

San Francisco is actually bigger than this, so I've just discovered that SF could be way nicer than it is (granted SF has hills.)

To keep a line shape better, go back to the 10 minute width of 800 meters, triple it for bikes, now you have a 2.4 x 14 km city, and can get some real rail use out of your backbone, while it's still a 15 minute walk from the center to the edge.

bethbethbeth: (Film Audience (rexluscus))
[personal profile] bethbethbeth
On May 8th, I offered to read the first five books people recced - assuming they were available (preferably from the library) - and I'd give a short review [https://bethbethbeth.dreamwidth.org/701769.html].

This is the fifth recced book review.

Calling Bullshit: The Art of Skepticism (2020) by Jevin D. West & Carl T. Bergstrom (recced by Snakeling)

So glad this was recced, especially since the 5 years since publication has seen bullshit grow ever more ubiquitous ("Blah blah this administration blah blah.")

The book touches on so many things: linguistics, whether animals can bullshit, the debunked but not-dead-yet theories of Wakefield about Autism, the way technology (inc. the printing press) has changed how we bullshit, communication theory, etc. And that's just in the first 2 chapters!

It also looks at ways of assessing whether something's bullshit, even when we don't have a background in the field (e.g., if we don't have expertise in vaccine side effects), and when & where - if possible - to refute bullshit when you see it (w/o being that "Well, actually...." person)

Caveat: I had to get the audiobook (regular print & digital books had 2 month waits). This proved to be a problem because some of the scientific examples were relatively technical and required referring to downloadable pdfs of graphs, charts, illustrations etc.

OverDrive used to allow audiobook downloads, even after Libby was introduced, but OverDrive no longer exists and Libby doesn't allow PDF downloading. This made following some of the arguments difficult.

What I'm saying is...if at all possible, read the book instead of getting the audiobook.

podcast friday

May. 23rd, 2025 07:16 am
sabotabby: plain text icon that says first as shitpost, second as farce (shitpost)
[personal profile] sabotabby
You all deserve a break from *gestures vaguely at the rest of the internet* so have a completely wholesome podcast for once. "LARP Camp" on Normal Gossip is about two awkward gay counsellors, a neurodivergent evil genius of a child, and a ghost or two. 

It's been a challenging transition from Kelsey McKinney to new host Rachelle Hampton, but Rachelle has finally hit her stride with this episode (and the one after it)—it's very funny and her storytelling here does the thing where you're like, "and then what happened?" It helps that the subject matter is up my alley. Anyway, it is incredibly cute so take a break from doomscrolling and give it a listen.

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