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   sci.physics.relativity      The theory of relativity      225,861 messages   

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   Message 225,287 of 225,861   
   J. J. Lodder to Ross Finlayson   
   Re: Mass and Energy   
   06 Jan 26 16:12:10   
   
   From: nospam@de-ster.demon.nl   
      
   Ross Finlayson  wrote:   
      
   > On 01/06/2026 01:56 AM, J. J. Lodder wrote:   
   > > Thomas Heger  wrote:   
   > >   
   > >> Am Sonntag000004, 04.01.2026 um 12:28 schrieb J. J. Lodder:   
   > >> ...   
   > >>   
   > >>>> Energy is also something else than mass, because the term 'energy'   
   > >>>> denotes a quantity in physics and this has a different meaning than   
   > >>>> 'mass'.   
   > >>>>   
   > >>>> Mass is actually a measure for resistance against acceleration and   
   > >>>> measured in kg.   
   > >>>>   
   > >>>> Energy is derived from the quantity work, which is defined as   
   > >>>> W=force*distance.   
   > >>>>   
   > >>>> The units are Newtonmeter or Joule.   
   > >>>>   
   > >>>> The quantity you erroneously call 'mass' is not measured in kg but in   
   > >>>>mol.   
   > >>>>   
   > >>>> What you actually wanted to say, that is: matter is actually   
   > >>>> immaterial and a form of energy.   
   > >>>>   
   > >>>> BUT: 'the amount of matter' is not measured in kg but in mol.   
   > >>>   
   > >>> You are way behind the times.   
   > >>> As of the CGPM 2018 both the kilogram and the joule are defined   
   > >>> as numerical multiples of the Hz. (with defined constants in between)   
   > >>> So the relation between them is a numerical constant too,   
   > >>   
   > >> Well, actually I can read and I found this on the CGPM website:   
   > >>   
   > >> "In the 14th CGPM, the SI was completed by adding mole as a base unit   
   > >> for amount of substance, making the total number of base units seven."   
   > >   
   > > You really are way behind the times, that was more than 50 years ago.   
   > >   
   > > The mole is just another defined number, these days,   
   > > (and it does not have any fundamental significance)   
   > >   
   > > Jan   
   > >   
   >   
   >   
   > What, you never heard of "running constants"?   
   >   
   > People keep forgetting what makes the old they've   
   > wrapped as new then wondering why it won't sit straight.   
      
   What part of  '(exactly)'  don't you understand?   
      
   Jan   
      
   --- SoupGate-DOS v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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