Unraveling CMB Polarization

This chapter explores Thompson scattering and its impact on cosmic microwave background (CMB) polarization, highlighting the significance of E and B modes in analyzing cosmic phenomena. It discusses how varying quadrupole anisotropy influences radiation characteristics and the implications for understanding gravitational waves and the early universe. Additionally, the challenges of measuring CMB amidst foreground interference and the latest advancements in observational projects are examined.