Full Idea
In the case of electron/positron/gamma ray annihilation scientists maintain the paradigm of rational explanation by inventing a quasi-substance as the bearer of continuity, and all three are seen in terms of 'energy'.
Gist of Idea
'Energy' is a quasi-substance invented as the bearer of change during interactions
Source
Harré,R./Madden,E.H. (Causal Powers [1975], 6.III)
Book Reference
Harré,R/Madden,E.H.: 'Causal Powers: A Theory of Natural Necessity' [Blackwell 1975], p.108
A Reaction
What a relief to see energy described as a 'quasi-substance'. I spent all of my physics studies bewildered by the nature of energy (especially when described as 'pure energy'). What does e=mc^2 mean if e is a quasi-substance?