“A factory that can turn carbon nanotubes into a sheet a yard wide and long enough to stretch one-fourth of the way to the moon is not something you'll find at your local industrial park. That's the show-stopper for the space elevator. The ribbon.”

A SETI astronomer and senior astronomer at the SETI Institute, Shostak explores the search for extraterrestrial intelligence with both scientific rigor and accessible clarity. His work bridges the gap between cutting-edge research and public understanding, offering perspectives on the cosmos, human curiosity, and the future of life beyond Earth.