Explore the fascinating world of computational cosmology in this captivating lecture by Professor Andrew Pontzen. Delve into how intricate computer simulations have revolutionized our understanding of the universe, from galaxies and black holes to dark matter and cosmic expansion. Learn about the history of computing in physics, the parallels between weather forecasting and cosmological modeling, and the role of initial conditions in predicting complex systems. Discover how scientists use computer models to study the past, present, and future of the cosmos, including climate change predictions and the evolution of galaxies. Engage with thought-provoking concepts such as gravitational lensing, the accelerating expansion of the universe, and even the possibility of living in a simulated reality. This comprehensive exploration of computational astrophysics offers a unique perspective on how technology and human curiosity combine to unlock the secrets of the universe.
Overview
Syllabus
Introduction
What we can observe in the universe?
Looking back in time at the universe
The role of gravity and dark matter
The history of computing in physics
Weather forecasts, cosmology, and initial conditions
Using computers to predict the weather
Early models of our universe from physicists
Predicting our changing climate
Using computer simulations for cosmology
Are we living inside a copmuter simulation?
Taught by
The Royal Institution
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