this post was submitted on 28 Jul 2024
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No Stupid Questions

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I understand that weather on TV can’t be hyperlocally accurate. But a weather app on my phone has my exact GPS coordinates. Why can’t it tell me exactly when a rain cloud will be passing over my location?

It’s gotten to the point where I just use precipitation maps to figure out my rain chances for the day.

The hourly forecast is mostly useless because it’s not a chance % but a % of the area that will be raining.

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[–] [email protected] 2 points 3 months ago (5 children)

Butterfly effect. Even Hari Sheldon in the Foundation series couldn't do that.

[–] [email protected] 4 points 3 months ago (4 children)

Psychohistory was designed for large groups. It wasn't designed for single creatures like butterflies

[–] [email protected] 2 points 3 months ago (1 children)

It wasn't because it couldn't. Hari tried it and failed. Applying Psychohistory to only large enough populations was his compromise. This is mentioned in Prelude to Foundation. I think Hari specifically mentions how complex predicting weather is iirc. That's why I mentioned it in the first place.

[–] [email protected] 1 points 3 months ago

At the time Hari tried to apply it at the small scale, it was impossible. I believe by the time Gaia takes over the science could be applied to the single organism but that also feels like cheating.

The whole point of prelude and forward was that his attempts to start on the smaller scale by going backwards in time was a fools errand and impossible but starting with the relatively small scale of just Trantor was doable as it had sufficient mass to apply the generalized mathematics towards. The variables on the smaller scales were too numerous but as you abstract towards larger bodies, it reduces the complexity to the point it becomes calculable.

Well, not the whole point but still

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