User talk:Mcplums/sandbox

The text currently says:

The word 'quantum' in this sense means the 'minimum amount of any physical entity involved in an interaction'

So what is the minimum amount of, e.g., an iron atom? a proton? an electron? a photon?

What evidence do you have to support your contention?P0M (talk) 06:06, 6 June 2013 (UTC)