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Explore a groundbreaking cosmological theory in this lecture where Latham Boyle from the University of Edinburgh presents the concept of the Big Bang as a mirror. Begin by examining key observational hints and puzzles from the early universe, then delve into the revolutionary idea that the Big Bang functions as a kind of mirror in spacetime. Discover how this theoretical framework provides new explanations for fundamental properties of our universe, including its remarkable homogeneity, isotropy, and flatness. Learn about the proposed solution to the arrow of time problem, understanding why entropy increases away from the Big Bang event. Investigate the novel explanation for dark matter as right-handed neutrinos that radiate from the early universe similar to Hawking radiation from black holes. Examine how this mirror theory addresses the origin of primordial perturbations that seeded the large-scale structure we observe today. Consider the observational predictions that will be testable in the coming decade and explore the key open questions that remain in this collaborative work with Neil Turok, offering fresh perspectives on some of cosmology's most profound mysteries.
