 with the Big Bang Theory, ancient galaxies, and how it all started. And now is the start of our conversation. Hello, David. Welcome to COAST. Hi, Cheryl. I'm excited to be here, and thank you for having me. In a nutshell, David, give us a brief glimpse of your background, and what is it that has driven you so passionately about the mysteries of deep space and what you call technosignatures? I'm a citizen scientist.