From: nicolaas.vroom@pandora.be   
      
   On Friday, 3 February 2017 23:23:40 UTC+1, SEKI  wrote:   
   > On Thursday, February 2, 2017 at 12:04:50 PM UTC+9, Nicolaas Vroom wrote:   
      
   > > We know that there are particles by performing experiments.   
   > > Demonstrating superpositions also requires performing specific   
   > > experiments.   
   > > A "wave function" is a tool to describe the results of experiments   
   > > but it does not help to understand the experiments.   
   > >   
   >   
   > What is meant by "particles by performing experiments"?   
      
   By performing different types of experiments we know that there   
   are different types of particles.   
   All that knowledge is collected in what we call the standardmodel.   
      
   > I consider each of them as a quantum localized in a small area   
   > (e.g. an electron captured in a molecule, a nucleon in a nucleus,   
   > a quark in a nucleon, ...).  So, they can be identified as waves,   
   > not particles.   
      
   My understanding is that a particle is a quantum or small object   
   localized in a small space.   
   But why do you have to identify them as a wave?   
   When I think about a wave I always think about many particles.   
      
   > If this is not the case, please explain   
      
   The issue is that sometimes particles or even single particles   
   behave like a wave.   
   They interfere or interact with each other or with their surroundings   
   i.e. slit, but that does not mean that each particle is a wave.   
      
   Nicolaas Vroom   
      
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