The Birth of LIGO and Gravitational Waves

This chapter explores the origins and development of the Laser Interferometer Gravitational-Wave Observatory (LIGO), emphasizing the collaborative efforts and innovative ideas of various scientists. It delves into the technical challenges of detecting gravitational waves, the skepticism faced, and the profound motivations driving researchers in this field. Additionally, the chapter discusses theoretical aspects, such as gravitational wave speeds and the potential for experimental setups akin to a double slit experiment.