[Runequest] Fact check

[Sven Lugar]

Ringworld is based on Larry Niven's book of the same name. I came to 
know him fairly well back in the days when we both going to Cons & to 
English Regency Dancing events. He always struck me as very stringent in 
using his science in books. I remember an occasion of him discussing the 
physics of it & also mentioning that it was based on the work of Dyson 
(of the "Dyson Sphere concept"). So I suspect that he is probably 
correct in his assumptions to make the concept work. Perhaps someone who 
is more versed in these things can shed some light on this.

Sven

On 4/6/2013 12:42 PM, Simon Phipp wrote:
> Much as I liked RungWorld as a rules set, some of it was a little 
> far-fetched, even as Space Opera.
>
> Having atmosphere 500 miles up? According to Wikipedia, the 
> stratosphere has a pressure of 1/1000th Atmosphere and stretches to 
> around 32 miles, the mesosphere extend to about 53 miles, and the 
> Thermosphere above that extends to around 240 miles and contains 
> satellites and the International Space Station. Also, atmosphere boils 
> away into space unless protected by having gravity. Something that 
> generates a gravity effect through rotation would, I assume, 
> continually throw its atmosphere away quite quickly.
>
> I am sure there is an explanation for this, as with any futuristic 
> invention.
>
> As for the Ironclad Great Troll Paratrooper, he could jump out at 
> altitude, freefall happily until it was time to open his parachute 
> then, gulp, things might go a bit wrong.
>
> Simon
>
>
>
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