#24 Colin Hill - Modern Cosmology, Hubble Tension, Exotic Physics
Cool Worlds Podcast
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Exploring Cosmic Birefringence
This chapter examines the complexities of birefringence in the cosmic microwave background (CMB) and its implications for understanding polarization in cosmology. It highlights the importance of distinguishing signals from cosmic sources versus foreground dust, as well as the need for precise instrument calibration in detecting potential signs of exotic physics.
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