According to the current view of science, elementary particles, like electrons or quarks, are elementary because they cannot be broken down...

 Every complex natural system is built from simpler, universally interacting building blocks. The complexity and structures of what we see i...

 Mass is the defining property of our material world. Everything made of matter has mass. Yet mass is not necessarily an unambiguous propert...

 Point-like state, infinite extension, instantaneous action, and so on... Even in our ignorance we should not accept impossibilities, becaus...

 According to the Standard Model of particle physics, the most fundamental building blocks of our material world are electrons and quarks, e...

 A general definition of symmetry: If a certain change does not change a property, then that property is symmetric with respect to that part...