Telescopes You Can Visit, Plus the Great Molasses Flood’s Gary Arndt joins Paul and Elizabeth to tell the tale of Really Big Telescopes. From their humble origin in the hands of Galileo Galilei in 1610, they have changed our understanding of the universe. Where are today’s largest telescopes? Which ones can you visit? What about radio telescopes? Learn the answers to these and other questions, plus: the Great Molasses Flood of 1919 in Boston and other quirky stories Gary shares from his podcast Everything Everywhere Daily.