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Results tagged with science-based
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user 2255
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
Gravitational slingshots: could they be used to decelerate a spacecraft traveling at a small...
Since you're traveling at speeds far higher than the escape velocity of the solar system relative to a point close to the star, you are not going to be able to stop within the solar system. Instead, y …
- 1,701
5
votes
2
answers
239
views
Can spiders be used like spy drones using brain implants using current technology?
You can imagine doing surgery on the brains of insects or spiders to implant electronic devices and transmitters so that it becomes a drone and will transmit data. To gain intelligence on a target of …
- 1,701
5
votes
How could an immortal organism avoid cancer?
It periodically makes a copy of itself which it stores in suspended animation. If things go wrong without the possibility of repairing the problem, it will bring to life an old copy of itself that wit …
- 1,701
3
votes
Larger moon = Larger Tides = No oceanic ships?
It would not only disrupt shipping but everything else needed to run a modern civilization. If the Moon were as close to the Earth when it formed, about ten times closer, the tides would be about a th …
- 1,701
3
votes
What natural phenomena could make an island unreachable?
Snakes can cause problems for colonizers. As mentioned here:
A lighthouse was constructed in 1909 to steer ships away from the island, operated by a single family. The family was found dead in th …
- 1,701
3
votes
How fast can I flood the Netherlands entirely and permanently?
The Earth's mantle contains a vast amount of water, probably of the same order as in all of the Earth's oceans. Since the average depth of the oceans is about 3.7 km, there is plenty of room to increa …
- 1,701
2
votes
How would I know if I were a 1 mm tall robot?
One should note here that the macroscopic scale is so extremely far away from the atomic scale, that the physical world we experience can to a very good approximation be described by mathematical laws …
- 1,701
1
vote
Would intelligent life evolve any other body plan than humanoid?
A large colony of ant-like insects could in principle implement a large neural network. Such a colony could then control its local environment, make tools, etc. A civilization comprising of many such …
- 1,701
1
vote
How can I scientifically explain the afterlife
You can consider each instant of time as a new Universe, so each instant of your existence is the afterlife of the previous instances. Fundamentally, we're all just algorithms. At every computational …
- 1,701
-1
votes
What would happen if photons had a mass equal to 1/100 of a hydrogen atom?
Nothing would change from our perspective because all the information about what would have happened had the change not occurred would still be present in the universe due to unitary time evolution. S …
- 1,701