About this episode
Pneumatic (adj.): of, or pertaining to, air, gases, or wind. In the world before telephone, radio, and email, the tasks of transmitting information and moving material objects were essentially the same challenge. The way you sent someone a message was … Continue reading → Subscribe to SiriusXM Podcasts+ to listen to new episodes of 99% Invisible ad-free and a whole week early. Start a free trial now on Apple Podcasts or by visiting siriusxm.com/podcastsplus . Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.