Luís M. A. Bettencourt
speaker
816 appearances
1 recordings
1 series
first heard Jul 2026
last heard 27 Jul
Luís M. A. Bettencourt’s voice in public audio — every appearance, attributed to the second.
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recordings per month · last 12 monthsRecordings per month over the last 12 months — 1 in all, peaking in Jul 2026 with 1.
Appearances
So you get more of them period of time, both good things and bad things.
as the city gets larger.
So again, this just quantifies what people already, what we talked about, what people expect, that larger cities are more expensive, but people make more money, that people, you know, that there's more invention, but there's also, you know, and that there's more crime as well, for example, but also they're more susceptible to health crisis, you know, which, again, is the history of cities, a lot of battles.
So that's interesting.
So it's kind of this.
And the other thing you find is that for different class of quantities, you have a mirror effect.
It's exactly a mirror effect, it turns out, which is to do with, if you will, the volume of infrastructure.
So, for example, all the roads, the surface of all the roads, roads are surface.
If you measure the surface of all that, it decreases per capita by about the same amount, 16 percent as you double the size of the city.
And that's true of pipes and a bunch of other things.
It's just like, what the heck?
Who asked for this when we started measuring this?
And so what's going on?
So then, you know, we need an explanation.
But, you know, basically the intuition here is that whatever is being produced socially, it's a product of interactions.
People are interacting more with each other because it's denser and they move around more.
That's what a city is about.
So the city is more about the interactions than just having people concentrated.
It's really about them interacting.
This is very natural for a physicist, right?
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