Analysis of information sources in references of the Wikipedia article "Mass" in English language version.
... so existence of particles v > c ... Called tachyons ... would present relativity with serious ... problems of infinite creation energies and causality paradoxes.
Mass can be understood as a measurement of inertia, the resistance of an object to be set in motion or stopped from motion.
Mass can be understood as a measurement of inertia, the resistance of an object to be set in motion or stopped from motion.