What truly exists? Structure as a route to the real

 作者:浑酊     |      日期:2019-03-14 07:16:00
By Eric Scerri ARE you ever tempted to ask whether entities such as electrons, black holes or the Higgs particle really exist? As a chemist, I worry about what is real and dependable in my field. Is it the “entities” or the “theories” of chemistry and quantum mechanics that largely explain the periodic table? I also care because all of this goes to the heart of an old, important – and unresolved – debate about how to regard scientific discoveries. There are two main camps in this debate: