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   rec.arts.sf.written      Discussion of written science fiction an      448,027 messages   

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   Message 446,141 of 448,027   
   Thomas Koenig to Scott Dorsey   
   Re: xkcd: =?UTF-8?Q?=C2=93Physics?= =?UT   
   16 Oct 25 16:08:07   
   
   XPost: rec.arts.comics.strips   
   From: tkoenig@netcologne.de   
      
   Scott Dorsey  schrieb:   
   > Paul S Person   wrote:   
   >>I appear to be projecting much more modern concepts of artillery onto   
   >>the distant past.   
   >>   
   >>Ancient geometry did include conic sections, although whether they   
   >>were related to the path of missiles used in indirect fire [1] I do   
   >>not know.=20   
   >   
   > I don't know, but Galileo does talk about how the projectile follows a   
   > parabola and why.  He does mention indrect fire although I don't think   
   > it is very useful unless you have good spotting, which would have been   
   > a problem at the time.   
      
   If you are firing over a wall into a fortress or a city, it is   
   not that much of a problem.   
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