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How frequently do you think about fasteners like screws and bolts? Probably not very often. But some of them a storied history, dating back to Egypt in the 3rd century BC. They aren\u2019t just ancient history. They help hold up our bridges and homes today. Join us as we dissect a handful of engineering inventions that keep our world spinning and intact.\nGuests:\nRoma Agrawal\xa0- structural engineer and author of "Nuts and Bolts: Seven Small Inventions That Changed the World (in a Big Way)"\nRon Gordon\xa0- watchmaker, New York City\nFeaturing music by\xa0Dewey Dellay\xa0and\xa0Jun Miyake\nYou can get early access to ad-free versions of every episode by joining us on\xa0Patreon. Thanks for your support!\nBig Picture Science is part of the\xa0Airwave Media\xa0podcast network.\xa0Please contact\xa0advertising@airwavemedia.com\xa0to inquire about advertising on Big Picture Science.\n\xa0\nLearn more about your ad choices. Visit megaphone.fm/adchoices