These things were proposed to contain outward-flowing layers called simulacra by a Roman thinker who described their downward motion being interrupted (10[1])by random deflection. Lucretius’ De rerum natura claims free will is caused by the “swerve” of these things. (10[1])The so-called “laughing philosopher” is best known for his theory of these things, (10[1])which Leucippus contrasted with the void existing between them. Democritus theorized (10[1])that the universe (10[1])is made of these things, (10[1])which are named for the word for “uncuttable.” (10[1])For 10 points, Greek (10[1])philosophy conceptualized what smallest units of matter that today name structures containing protons and neutrons? ■END■