Zhang Heng and the Art of Listening to the World

In this episode of History's Arrow, Harmonia meets Zhang Heng, the Han dynasty polymath who built instruments that listened to the world. From stars to earthquakes, his work shows how measurement transforms curiosity into responsibility---and how societies change once they can no longer claim they did not know. Transcript available at: https://harmonia.email/podcast-episode/zhang-heng-and-art-listening-world Share and read comments: https://harmonia.email/podcast-comments?field_podcast_feed_value=harmonia_s_history&from_node=269