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Results tagged with science-fiction
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user 18444
For questions that allow fanciful, creative or imaginative solutions based on or rationalized by real world science, but not necessary limited by real world science. Entirely magical solutions must use the magic tag instead. This tag should not be used with the science-based, hard-science, or internal-consistency tags. This tag should never be the only tag on a question, because this tag frames how a question should be answered, not the topic.
3
votes
Is there any plausible reason for a robot's eyes to glow?
For one very large reason that cars use headlights. To be seen.
It is true that headlights allow a car's driver to see in the dark, but they additionally allow the car to be seen from much greater di …
- 3,540
8
votes
In a world with time travel, could one change the present by changing the future?
In a world where changing the past is possible, changing the future can potentially change the present or past, since time is non-causal. Whether changing the past is possible depends on what model of …
- 3,540
2
votes
How to monetize free energy without revealing its existence?
Sell the power to a power company.
This kind of thing happens all the time. One company will promise its consumers that a certain percentage of their power going forward will come from solar or wind, …
- 3,540
12
votes
How to effectively slow down a ship about to shoot through the Solar System at 0.6c?
A few options, courtesy of Isaac Newton and his third law of motion:
Jettison the propulsion system in the direction of travel with really high speed (how high depends on the relative masses of the …
- 3,540
4
votes
Planet Vanishes - How does this affect the orbiting starships?
The basic idea behind orbit in Newtonian physics is that the centripetal acceleration required for the satellite to go in a circle around the planet (or other body) is perfectly fulfilled by gravitati …
- 3,540
0
votes
Avoiding time travel or causality stuff
Well, let's break this down a bit.
First, what is the actual problem with FTL travel?
According to special relativity, kinetic energy is asymptotic as you approach light speed. This means that traveli …
- 3,540