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

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   Message 446,090 of 448,027   
   Mark Jackson to Lynn McGuire   
   Re: xkcd: Physics Insight   
   14 Oct 25 16:57:32   
   
   XPost: rec.arts.comics.strips   
   From: mjackson@alumni.caltech.edu   
      
   On 10/14/2025 4:26 PM, Lynn McGuire wrote:   
   > On 10/14/2025 12:09 PM, Robert Woodward wrote:   
   >> In article ,   
   >>   Paul S Person  wrote:   
   >>   
   >>> On Mon, 13 Oct 2025 17:22:10 -0500, Lynn McGuire   
   >>>  wrote:   
   >>>   
   >>>> xkcd: “Physics Insight”   
   >>>>     https://xkcd.com/3154/   
   >>>>   
   >>>> “When Galileo dropped two weights from the Leaning Tower of Pisa, they   
   >>>> put him in the history books.  But when I do it, I get 'detained by   
   >>>> security' for ‘injuring several tourists.’”   
   >>>>   
   >>>> I have been to the top of the Leaning Tower of Pisa.  It is quite a   
   >>>> ways   
   >>>> up.  Articles can achieve significant velocity from there.   
   >>>   
   >>> IIRC, at some point Galileo was in charge of the Pisan artillery.   
   >>>   
   >>> I wonder if he was trying to find out why their "time on target"   
   >>> computations [1] never worked with Aristotle's view of how things   
   >>> fell.   
   >>   
   >> I have some doubts on whether that concept would occur to him. IIRC, the   
   >> whole idea of "Time on Target" was for explosive shells.   
   >   
   > Were explosive shells used before the USA Civil War ?   
      
   Do you know the words to "The Star-Spangled Banner?"   
      
   (Earlier possibilities include 13th century China and 14th century Venice.)   
      
   --   
   Mark Jackson - https://mark-jackson.online/   
      Against the assault of laughter nothing can stand.   
                                  - Mark Twain   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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