From: pcdhSpamMeSenseless@electrooptical.net   
      
   john larkin  wrote:   
   > On Tue, 10 Feb 2026 10:30:18 +0000, Martin Brown   
   > <'''newspam'''@nonad.co.uk> wrote:   
   >   
   >> On 09/02/2026 17:48, john larkin wrote:   
   >>> If I reply to posts from the pointy-ear guy, they go to sci.astro,   
   >>> even though his posts are in sci.electronics.design.   
   >>   
   >> There is nothing odd about it at all. He has set followups to sci.astro   
   >> which is now a hell hole where all the lunatic fringe nutters hang out.   
   >>   
   >> sci.astro.amateur and .moderated was created to separate the deranged   
   >> nutters with their NEW THEROY (sic) OF THE UNIVERSE all in CAPS from   
   >> people who wanted to talk about astronomy. It worked for a while too.   
   >>   
   >> Your Usenet client is doing *exactly* what it is supposed to do.   
   >>   
   >>> This is agent/eternal september.   
   >>>   
   >>> The issue was   
   >>>   
   >>>> 3. By contrast to light, gravitational waves are quadrupole waves that are   
   >>>> only emitted when the spacetime curvature changes in a non-spherically   
   >>>> symmetric way.  They are also emitted by objects and systems which do not   
   >>>> emit light.   
   >>>   
   >>> Suppose that somewhere out in free space a cannonball somehow   
   >>> appeared. Wouldn't that create a symmetric, spherical gravitational   
   >>> wave?   
   >>   
   >> E = mc^2   
   >   
   > Exactly. Mass/energy conversion is one way to create or destroy some   
   > mass in my cannonball.   
      
   Doesn’t work though—the energy has mass too.   
      
   Cheers   
      
   Phil Hobbs   
      
      
   --   
   Dr Philip C D Hobbs  Principal Consultant  ElectroOptical Innovations LLC /   
   Hobbs ElectroOptics  Optics, Electro-optics, Photonics, Analog Electronics   
      
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    * Origin: you cannot sedate... all the things you hate (1:229/2)