Explore the fascinating world of white dwarf-neutron star binaries and their gravitational wave signatures in this 35-minute conference talk by Alexey Bobrick. Delve into the complex physics of these compact object systems and their role in gravitational wave astronomy. Learn about the unique characteristics of white dwarf-neutron star binaries, their formation and evolution, and the distinct gravitational wave signals they produce. Gain insights into how these systems contribute to our understanding of stellar evolution, compact object physics, and the potential for multi-messenger astronomy. Discover the latest research and observational techniques used to study these intriguing binary systems and their implications for future gravitational wave detection missions, particularly in the decihertz band.