AS.171.113 Lecture Notes - Lecture 1: Cathode Ray, Inverse-Square Law, Michael Faraday
29 Aug 2016
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600 bc, greece thales of miletus: assumed there was a primary matter out of which everything was made. Anaximander- likes idea of primary substance, but knew it wasn"t water, so called it apeiron (undetermined) Anaximenes- guessed this primary matter was made of air. Heraclitus- guessed that everything was made of fire. Empedocles (his favorite)- gave up idea that everything made from one substance, his idea was that there are four fundamental building blocks for elements out of which everything is made: earth, air, fire, water (these are continuous) Nothing is created or destroyed, the elements are conserved, but rearranged by these forces. This is the way life ought to be not an experimental result died 34 bc. Copper) all atoms are the same everything had an atom! Even beauty and soul nothing is in between the atoms, vacuum. *aristotle did not like the idea of a vacuum.
