Stian Yttervik
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How does a Game of Thrones-style hyperwinter occur?
11 votes

Planetary shenanigans. If you have a planet with a "wobble", or a significant axial precession, in addition to a (slightly) eccentric orbit you could have periods of time where a region/...

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Why would a fighter have a weaker shield than a capital ship?
10 votes

Power generation is simple. But it generates heat. Heat dissipation, is not simple. Heat can be vented to space through heat exchanger on the surface towards space, but fighters have to have a tiny ...

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Medieval ways to tell time, without a sun or stars
5 votes

You'd need one of the rare and extremely valuable sunstones! Even through cloudcover and smoke, with holding a sunstone towards the sky will tell you at what azimuth the sun is, making it possible to ...

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What materials would merfolk use to craft armor?
3 votes

Chitin would be abundant Merfolk would have learned to farm coral and kelp, and also be skilled in "crustacean husbandry" and have pastures of crabs and similar aquatic animals. Chitin can ...

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What would it take to slow down fermentation? (Specific: Wine / grape juice)
3 votes

Maybe life at this other planet had another chirality of nature? If life was hetero-chiral on the other planet, the yeast would be adapted to heterochiral sugar, and only receiving right-handed sugar. ...

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Why would a matriarchal society practice polygyny?
0 votes

To eliminate the notion of fatherhood Real power in a matriarchal society would flow from mother to daughter, and the notion of motherhood would be strong. The notion of fatherhood would be weakened ...

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How would a species be unable to produce steel?
0 votes

There is no oxygen in the air (and their biology gets energy some other way - direct absorption of sunlight - eating oxidisers separately - maybe some nuclear process) This means that iron is ...

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Feasibility of H.G. Wells' Continuously-Exploding Atomic Bombs
0 votes

Usually not without creating a lot of force that needs to go somewhere. This has a tendency to disperse the explosion. It blows not only itself out, but also it's fuel and in the case of nuclear ...

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Would this system work to purify water?
0 votes

If you have enough energy available to do what you suggest you should also have enough energy to incinerate it all, filter and condensate and distill. You would get water, nitro oxides, carbon dioxide ...

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How to get cool night-vision without lame drawbacks?
0 votes

Why not have double eyelids like reptiles, and have the inner pair act as a pair of shades? This way you have superior night vision (increased no of rods, retro reflectors, etc) and then a pair of ...

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Why would a crash landed generation fall back to the stone age?
0 votes

Hmm... The only reason for going back to the stone age - as opposed to the bronze age, would be that the 4.8 million years have removed the genetic evolution that man and his environment has done ...

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