The Monocentric Simulation Theory What if reality is rendered only for you? For decades, philosophers and technologists have debated Nick Bostrom's famous idea that we might all live inside an all-encompassing computer simulation. But the numbers don't add up: even a post-human civilisation would face near-infinite computing costs to model billions of conscious minds. Tilo Rickfels proposes a radical alternative. What if advanced simulators would **start small--by fully emulating a single stream of consciousness--**and generate the surrounding world only when that one observer looks at it? This "monocentric" twist slashes the resource problem and reframes everything we think we know about mind, identity and free will. Inside this book you will discover . Why the classical simulation hypothesis hits practical limits - and how a need-based simulation could bypass them. The technical plausibility of rendering only what a lone observer perceives, updated in real time. Fresh implications for consciousness - from solipsism and panpsychism to quantum "observer" puzzles. What it means for ethics, relationships and purpose if other people are elaborate NPCs in your personalised universe. . Rickfels guides you through complex ideas with crystal-clear language, weaving philosophy, physics and computer science into one compelling thought experiment. Whether you're a Matrix-era sci-fi fan or a serious student of mind, this book invites you to see existence through a startling new lens . "A bold re-imagining of the simulation debate--rigorous, accessible and genuinely unsettling." Are you ready to peek behind the code?
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