expanded air would become fire

Tags: air, density, fire

An example of an historical idea that would today be considered a science misconception

"How far do these experiments [of Robert Boyle with the air pump] carry us beyond the knowledge of Aristotle, who held that the air, if rarefied so as to fill ten times its usual space, would become fire!"

George L. Craik (1830) Robert Boyle, reprinted in Cochrane, R. (Ed.). (1897). Heroes of Invention and Discovery. Lives of eminent inventors and pioneers in science. W. P. Nimmo, Hay, & Mitchell.

Author: Keith

Former school and college science teacher, teacher educator, research supervisor, and research methods lecturer. Emeritus Professor of Science Education at the University of Cambridge.