Proposed by physicist Ludwig Boltzmann, this theory is based on **Entropy** (disorder). The universe tends toward chaos. Highly organized states—like a human brain or an entire solar system—are incredibly rare and unlikely to happen by chance. **The Scary Part:** It is statistically trillions of times more likely for a *single brain* to spontaneously form out of the chaos of space—complete with false memories of a life, a past, and a family—than for an *entire universe* to form and evolve us nat

154K views · 2.1K reactions | How do you know you’re a person who has lived your life and not just a brain hallucinating a reality that doesn’t actually exist? It may sound absurd, but this question has puzzled cosmologists for generations: | TED-Ed | Facebook