From: wwm@wwmartin.net   
      
   On 11/29/25 13:17, Joerg wrote:   
   > On 11/27/25 4:14 AM, Edward Rawde wrote:   
   >> "Liz Tuddenham"  wrote in message   
   >> news:1rmgdu2.kq9ug246pz0gN%liz@poppyrecords.invalid.invalid...   
   >>> Edward Rawde  wrote:   
   >>>   
   >>> [...]   
   >>>> What volume of material remains after a six inch long hole, centred   
   >>>> on a   
   >>>> diameter, is drilled through a sphere?   
   >>>   
   >>> If the hole diameter can be regarded as small compared with the sphere   
   >>> diameter, the curvature at the ends can be neglected .  The calculation   
   >>> method will depend on the relative dimensions and the degree of accuracy   
   >>> required, so that should sort out the engineers from the theoretical   
   >>> mathematicians.   
   >>>   
   >>> It is also possible to get a negative answer if the hole is bigger than   
   >>> the sphere - which should sort out the accountants.   
   >>   
   >> If the sphere is as big as the earth then you'll find plenty of people   
   >> who don't get   
   >> how you could theoretically drill a six inch long hole through it and   
   >> still be left   
   >> with the same volume as for any other sphere bigger than six inches in   
   >> diameter.   
   >>   
   >   
   > Call Halliburton, leave a big check and wait until someone calls from   
   > China complaining about weird stuff coming out of the ground :-)   
   >   
   oh no, the Soviets/Russians tried that in the Arctic, didn't really work   
   out for them. :-)   
      
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