matter

(Conference at the French Society of Physics, April 11, 1912.) When Mr. Abraham came to ask me to close the series of lectures organized by the French Society of Physics, I was at first about to refuse; it seemed to … Read More

The atomic theory is a theory of the nature of matter, that matter is composed of discrete units called atoms that has supplanted ancient beliefs that matter can be broken down into infinitely small divisions. The ancient atomist theory The … Read More

In physics, matter is what makes up any body having a tangible reality. The four most common states are the solid state, the liquid state, the gaseous state and the plasma state. Matter occupies space and has a mass. Thus, … Read More