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Make it a ruse - an offering to the gods. I'm reminded, strangely, of the Minotaur. Every seven or nine years (accounts differ), seven boys and seven girls were sent from Athens to Crete in tribu...
One thing I can see working is a forced marbling of society. You see it all the time with immigrants; they move to a new country, find people with a shared background, move into the same communiti...
Teleportation as you describe it is a sudden change in location that the teleportee perceives through all available senses. We obviously can't test that on humans today, but we can get some clues ...
So having the toughest skin would allow for reentry. Getting out of the atmosphere and moving through space is another matter, but this is your creature in your world that you are building. If you ...
Surface gravity Surface gravity is really the most important quantity when it comes to determining many of your planet's properties. It can be used to constrain atmospheric composition, planetary ...
What could be learned? There are so many things you could study by looking at a black hole. There are lots of open or partially unsolved problems that surround them: Does Hawking radiation exist...
Assuming that you are right that a large moon could actually gets Mars tectonic and magnetic system working again... (which is an interesting idea) So after merging Phobos and Deimos and getting th...
Honestly, this kinda depends on a lot of factors: Size of the plates, distance from the star, orbital period, to name a very few. The suns surface is 12,000 times bigger than Earths, meaning if e...
One concept that comes up a lot in this sort of world (think Portal, Neal Asher's Polity series or Niven's Ringworld etc) is momentum. Portal states, "Speedy thing goes in. Speedy thing comes out,...
Try radiometric dating. Accuracy: $\pm0.11\%$. Radiometric dating - see also the excellent USGS page - uses the decay of radioactive isotopes of elements to determine the age of a sample. It works...
There are three ways a planet can be positioned in a binary-star system: The two stars are close together and the planet orbits both of them (technically it orbits their center of gravity). This...
Note: This answer assumes that those going to Mars have a high IQ (which I believe the OP intended), and that IQ is indeed a fairly good measure of intelligence. Yes. I think the question of th...
I don't think there is any inherent reason why a large number of "eyes" would necessarily have to imply the downsides of compound eyes. For an extreme example, you could consider each cone or rod ...
A paper I found suggests that the sunlit side might not be a burning desert as long as the planet isn't to close to the star. Basically the difference in heat between the light and dark sides woul...
The gate could be deep in a frozen arctic wilderness, like it is near the north pole, where there is just snow and ice and nothing else. No minerals, no land, no plants or animals. Natives could st...
This interesting planet temperature calculator might help you answer this question. I filled it out with guesses based on your description. 1 solar mass Distance of 1.524 AU (Mars orbit) Bond A...
So you set it up like a drug trial. First phase is really small, maybe 10 people to get dosing figured out. Maybe use some underprivileged people who would like a place to sleep and some money. If ...
Start with pulsar planet like the ones that formed around the pulsar Lich, but a little further out and tidally locked so that it becomes something like a hot eyeball world: Set the planet at ...
They could still tell the difference. A non-inertial frame involves acceleration of some sort, i.e. non-uniform velocity. Such a frame can certainly have uniform speed, but the direction of motion...
So in general terms, if the planet was like Earth in size and atmosphere, but had an orbit of .8 AU's instead of 1 AU, then the planet would have an average surface temperature of Kelvin: 322, Cels...
Learned behaviour. Like staking an elephant or Pavlov's dogs. When the dragon was young and more fragile it had a bad experience with some trappers who thought it would be fun to hurt it with fire...
Fight fire with fire. Remember, the fire-breathing dragon breathes fire for some reason. Even if the dragon doesn't realize that it breathes fire, the ability almost certainly evolved together wit...
Well, let's see how such a field would work. The Hamiltonian equations are $$\frac{\mathrm d x_k}{\mathrm d t} = \frac{\partial H}{\partial p_k} \quad \frac{\mathrm d p_k}{\mathrm d t} = -\frac{\pa...
The main function of clothing is to hinder the flow of heat. The last thing you want to do when putting people into cryogenic sleep is to hinder the flow of heat. Quite the opposite: You want to ha...
I'd be tempted to add comments that have a differing assumption to a couple of your points. If the scientist wants to improve humanity in general, step one might be to shorten the lifespan until h...
