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Breaking the temperature inversion cap to let sunshine reach the inhabitants below

Image credit: John Gibbons / unsplash

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Darko Savic
Darko Savic Aug 11, 2020
8
Creative contributions

Fog-collecting

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J
Juran Oct 05, 2020

[1]https://news.mit.edu/2013/how-to-get-fresh-water-out-of-thin-air-0830

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Darko Savic
Darko Savic5 months ago
I was thinking about this today as well:) The thing is, the town where I live is enclosed by hills, full of trees. The several hundred meters of the fog-cap layer is in direct contact with the trees - pine trees included in abundance. They don't seem to have any effect on the fog. This makes me think that neither would the nets. Winter is coming. I'll be looking at the fog for weeks and pondering about this again:)
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Juran5 months ago
Since my grandma is Slovenian, I'll visit you next time I go there, and then we can do some fog-watching and brainstorming :D
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Darko Savic
Darko Savic5 months ago
Looking forward to it:)

High-powered laser beams to disperse fog, generate energy, and optically transfer data

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Brett M.
Brett M. Dec 28, 2020

[1]https://aip.scitation.org/doi/pdf/10.1063/1.4972954?casa_token=hpgbeDVErNQAAAAA:XRaMGlWRHnhF4wQU-O3TXGVOohNxdq1fanRxDnUf8L7ieOD0GHc0t1VDuu77mwsQVcRcdI5rBMc

[2]Wolf JP. Short-pulse lasers for weather control. Rep Prog Phys. 2018 Feb;81(2):026001. doi: 10.1088/1361-6633/aa8488. PMID: 28783040.

[3]https://www.popularmechanics.com/science/a32669350/cloud-tunnels-fog-clearing-weather-control/

[4]https://www.popularmechanics.com/science/a34094866/best-solar-powered-laser/

[5]https://ntrs.nasa.gov/citations/19920006800

[6]https://blog.innovation4e.de/en/2016/09/12/power-by-light/#comments

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Darko Savic
Darko Savic2 months ago
This sounds like a pretty cool, longer term solution. Satellites might be out of reach for many countries at the moment, but when we become a Type I civilization on the Kardashev scale (https://en.wikipedia.org/wiki/Kardashev_scale) I can see this sort of tech being used.

Uphill tunnels used as chimneys

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Darko Savic
Darko Savic Aug 11, 2020

Mirrors to focus sunlight and punch a hole through the fog layer

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Darko Savic
Darko Savic Aug 11, 2020
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Darko Savic
Darko Savic6 months ago
something like this https://phys.org/news/2013-10-norwegian-village-giant-mirrors-capture.html

Artificial fog elimination

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Deru Xu
Deru Xu Dec 08, 2020
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Darko Savic
Darko Savic3 months ago
Great suggestions. It gave me some additional ideas which I will talk about after a bit of research.

We have to be careful about the choice of materials (salt, gasses) so as not to negatively impact the environment. For example, salt could contaminate the soil, gasses could add to the greenhouse problem.

Electrostatic precipitator

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Darko Savic
Darko Savic Dec 10, 2020

[1]Electrostatic Precipitator: An Electric Air Filter. Sanghyeon Park December 7, 2017 - http://large.stanford.edu/courses/2017/ph240/park2/

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Juran2 months ago
Hi Darko! Nice simulation of fog removal on the attached DIY video. I guess it could work. The only thing that could be changed in the construction of the precipitator itself is the inner design which collects the water. It could be made in a way that it collects and immediately forwards and stores the water in large containers. After all, if it's pure enough, it can be used for drinking (Cloud Water Ltd :D). If not, it can be implemented in the irrigation systems, if your valley has agriculture developed.
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Darko Savic
Darko Savic2 months ago
Juran K. Since the water is collected from the air it would be full of pollutants. Especially when collected during the winter heating season and under the inversion cap where the air is stale. It would have to be filtered. This would be feasible in areas like Peru where there is fog despite an overall shortage of water, as described here https://brainstorming.com/r/i36
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Juran2 months ago
Darko Savic Yes, vigorous filtering would be necessary. But once when you decide on using the electrostatic precipitator, it could be adjusted to collect water particles and separate them from the pollutants at the same time. It could be like one of those 2-in-1 systems.

AI controlled fleet of drones flying in formation

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Darko Savic
Darko Savic Dec 07, 2020
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Shubhankar Kulkarni
Shubhankar Kulkarni2 months ago
Does the fog (or even rain or snow) affect the communication system of the drones? Also, does it affect the drone electrical circuits in any way? It might not hamper the functioning in the short run (single flight) but since the drones will be in contact with the fog till the fog disappears, it may take a while.
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Darko Savic
Darko Savic2 months ago
Crazyflie 2.1 https://youtu.be/zgUz5USTw6c is another cool opensource quadcopter that could be programmed and upscaled for this purpose
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Darko Savic
Darko Savic2 months ago
I found this cool Ardubee open-source, programmable, modular platform https://youtu.be/B8Oy2AQCzGM which seems like the way to go for this drone swarm idea. The people behind this had an unsuccessful Kickstarter campaign in November 2020.

This solution would need to be ported to bigger and stronger drones. I'm looking into it further

Fog condensing fans

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Darko Savic
Darko Savic Dec 10, 2020

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General comments

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Darko Savic
Darko Savic2 months ago
Fog dispersal during world war 2 https://youtu.be/gAIjxaJ2_Ag
also, global warming on steroids:)
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Darko Savic
Darko Savic3 months ago
Cool drone footage showing the temperature inversion cap beginning to dissipate https://youtu.be/MXQ_g66x2GU
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Darko Savic
Darko Savic3 months ago
I wonder if a helicopter hovering just above the inversion lid would punch a hole in the layer. I can't find any videos showing that
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Darko Savic
Darko Savic3 months ago
Here is a short video explainer for the temperature inversion phenomenon https://youtu.be/T_U3TXHBt-0