In this episode, historian Brad Harris unearths the history of engineering that has made possible the biggest construction projects of all time, from Stonehenge and the Pyramids to the Golden Gate Bridge and the Empire State Building. Learn how humanity managed to enslave gravity in its effort to defy it and build our monuments to civilization. By Brad Harris, Historian of Science & Technology. For more information on this episode, including a select bibliography, visit howitbegan.com.