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Dr Erin Macdonald is an astrophysicist, science fiction consultant, technical advisory, and host of the online series "Dr Erin Explains the Universe". Her specialty is in general relativity, having previously worked in the LIGO Scientific Collaboration searching for gravitational waves. She has since found her home in science fiction, consulting with writers, teaching STEM through popular culture, and fulfilling her life goal of becoming a warp drive expert. Erin recently was hired by CBS to act as science consultant for the entire Star Trek franchise.