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Results tagged with physics
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user 75490
For questions regarding the physics relevant to fictitious worlds. General physics may be off-topic.
5
votes
Mirrors used for focusing sunlight in outer space - could they be automatically oriented tow...
There are some passive solar tracking methods that work on earth. Some use thermally active materials or thermal expansion. Others heat water and shift the center of mass. The first type could work in …
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4
votes
Are there any atmospheric properties that might make iridescent clouds more common on a diff...
The key to having strong iridescence is the uniformity in the distribution of the droplet or ice crystal size and that the they are relatively small. A strong light helps make the phenomenon more vis …
- 6,922
5
votes
Would would an undiscovered element show up as on a light spectrum analysis?
You can sometimes tell quite a lot from remote sensing and looking at the reflection from an object. It can be illuminated by your own laser like in LiDAR or reflected light from the sun. However, you …
- 6,922
5
votes
How effectively recover enriched uranium from nuclear impact site?
Go to other cities inoperable power plants.
Spent fuel rods and Waste materials stored in cooling ponds. Most nuclear power plants, if I recall correctly, store spent materials on site in cooling pond …
- 6,922
1
vote
Is it possible to have a Newtonian universe but everything else behave the same way as this ...
You probably need to do something.... if you want, but it is your story.... and there is plenty to do without worrying about the details of absolutely everything.
Take the hydrogen atom when looking a …
- 6,922
3
votes
Accepted
Hours of sunlight calculation
Kind of a fun question. The problem is that it will depend a lot on the details. You could design your mega city badly and make it much worse by shadowing or design it some clever way and get sunlight …
- 6,922
4
votes
What would happen to an indestructible meteorite?
This page from American Meteor Society seems to indicate that your one meter diameter object would be retarded by the atmosphere and then after that it would reach a terminal velocity generally be som …
- 6,922
1
vote
Accepted
Radiative atmosphere without heat convection
Most of the interesting "weather" and dynamics in the lower atmosphere arise from convection.
I think the link that was posted was mainly about how convection dominates in the lower atmosphere and and …
- 6,922
3
votes
What is the potential of generating the four fundamental forces?
It will be hard to put them into a self consistent framework if you go from the bottom up and try to build from the fundamental physics precisely. … But more seriously, I think doing something like this could still handwave the physics some and essentially end up with bubbles of influence around the person where they could modify the physical laws …
- 6,922
2
votes
Effects of Deep Underwater Nuclear Explosions
The answer depends on the depth, the distance from the bottom and the distance from the surface.
The explosion goes off, the water vaporizes and you have a bubble.
The bubble is under pressure from …
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