From: relativity@paulba.no   
      
   Den 21.01.2026 10:08, skrev Mikko:   
   > On 20/01/2026 15:54, Paul B. Andersen wrote:   
   >>   
   >> You are standing on the floor in a small room   
   >> without windows with an accelerometer fixed to the wall.   
   >> The accelerometer shows that it is accelerating   
   >> in the direction which to you is upwards.   
   >>   
   >> If the accelerometer shows that the acceleration   
   >> is constant 1g, then there is no way you can   
   >> decide whether you are stationary at the ground,   
   >> or if you are accelerating at 1g in a spaceship.   
   >>   
   >> If the accelerometer shows that the acceleration   
   >> is changing with time, then you know that you are   
   >> in a spaceship.   
   >   
   > Depends on how much it changes. On Earth you have small variations   
   > from the gravity of Moon and Sun. Sometimes you may have even large   
   > variations (of short duration) from earthquakes.   
   >   
      
   So you would know that you either are on the ground   
   or in a spaceship with an unstable engine!   
      
   --   
   Paul   
      
   https://paulba.no/   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)