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Results tagged with science-based
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user 733
For questions that require plausible (better than suspension-of-disbelief) answers based on Real World science that are not necessarily constrained to the known limits of Real World science. Contrast with the hard-science, science-fiction and internal-consistency tags. This tag may not be used alone. This tag may not be used with the science-fiction, hard-science, or internal-consistency tags.
6
votes
Could aliens see in other wavelengths?
In principle
However there is some limitations. You need something to see. This image shows the absorbation spectrums of the earths athmosphere. It's easy to see that the fact that we see in the v …
- 1,762
8
votes
What size asteroid is needed to move the Sun?
If we strech the definition of asteroid well past what is reasonable.
Jupiter has an orbital energy of $1.544×10^{35} J$. WolframAlpha
So if we crash Jupiter into the sun(deorbiting it by magic) in …
- 1,762
2
votes
What would you make in space?
Solar energy collectors is an area of active research. See http://en.wikipedia.org/wiki/Space-based_solar_power
Although if we are putting asteroids into LEO this might become less attractive, one o …
- 1,762
16
votes
Accepted
I would like to know if "imaginary velocity" has serious problem
It is difficult to answer this question without you telling us what a velocity of $2ic$ means.
However my 5c is that this will not work.
Examine an alien moving from Human A to Human B, with a dista …
- 1,762
4
votes
Does my Fast-as-Light travel method run afoul of causality or relativity?
While not directly violating causality you do run afoul of the no-teleportation theorem.
https://en.wikipedia.org/wiki/No-teleportation_theorem
In quantum information theory, the no-teleportation …
- 1,762
3
votes
Could a space-dwelling creature survive solely off of sunlight?
You need to define what you mean by creature.
If you want your creature to be considered living, then you still need to define what this means.
There is currently no universally accepted definition …
- 1,762
2
votes
What would dispelling kinetic energy do?
Momentum is given by mass times velocity, while kinetic energy is given by mass times velocity squared.
It follows that, in order to reduce kinetic energy while retaining momentum, the mage would need …
- 1,762
6
votes
Can an asteroid go through the sun?
Newton came up with a fairly simple way to estimate how far a projectile can travel through a medium.
Newtons approximation for impact depth
The formula is Depth=Projectile length*projectile density/m …
- 1,762
31
votes
Would intelligent life evolve any other body plan than humanoid?
Do we have any reason at all to believe they would happen in reality beyond just "we want more flavor"?
Yes we do have a reason; the fact that the universe is a very large place.
In my opinion a b …
- 1,762
2
votes
How would one weaponize a black hole?
Since 2.85 solar mass black holes would not form naturally this would be an artificial black hole.
One explanation of how the black hole moves could be that the black hole is created in such a manner …
- 1,762