In this clip, Derek Muller (Veritasium) breaks down how mastery works through the lens of System 1 and System 2 thinking — concepts from cognitive science that explain how we process information. When you first learn something, you rely on slow, deliberate thought (System 2). But with enough practice, your brain starts to recognize patterns instantly, shifting to fast, intuitive responses (System 1). That’s how experts like chess grandmasters don’t consciously analyze every move—they just see th

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