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...

 The grid model  can potentially interpret a number of features of physical properties that are currently not fundamentally understood by tr...

 At present, the governance of human societies is essentially a practice of representative social governance, whereby the community, through...