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	Podcast:		Invention
	Episode:		The Earthquake Detector
	Category:		Society & Culture
	Duration:		00:54:23
	Publish Date:		2019-07-22 04:00:00
	Description:		How does earthquake detection work and when did humans device the first method of detecting them at a distance? In this Invention two-parter, Robert and Joe first discuss the mysterious invention of ancient Chinese polymath Zhāng Héng before moving on to modern innovations. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.
	Total Play:		0