A new book by Deborah J. Brown and Calvin G. Normore offers us a view of Descartes' philosophy of the material world, the hypothetical PHYSICS within his metaphysics, that is more sympathetic than many of the other recent takes on it. Here's a link to a review by John Carriero, of UCLA. https://ndpr.nd.edu/news/descartes-and-the-ontology-of-everyday-life/ Carriero starts by discussing the Cartesian view of everyday objects. Since extension is the essence of matter, space and matter are one and the same. But for Descartes types of matter differentiate themselves by size. Some are very small, and here Descartes allows for such microscopic realities as may in the course of time be discovered, though he didn't accept atomism -- the idea that there is an absolutely bottom rung of the ladder of scale. Some objects, those of everyday life, are medium size, large globules, and these include the bodies from within which your soul and mine look out at the world. Some objects...