I did a thread about this before, but it seems that a lot of people misinterpreted the point of it, so I'll go again:
What if Atomism became widely accepted sometime around Ancient Greece or in the medieval Middle East, becoming as popular as Aristotle's Four Elements theory IOTL?
What if Atomism became widely accepted sometime around Ancient Greece or in the medieval Middle East, becoming as popular as Aristotle's Four Elements theory IOTL?