The Leonard Lopate Show Edit this Published in The Leonard Lopate Show In Search of Time Listen 25 min Queue Download this audio Want to embed this player? Use the code below. More info. <iframe frameborder="0" scrolling="no" height="130" width="100%" src="https://www.wnyc.org/widgets/ondemand_player/wnyc/#file=/audio/json/57670/&share=1"></iframe> Share on Facebook Share on Twitter Email a Friend Hear about the history of time measurement – from primitive astronomy to modern precision clocks. Dan Falk is author of In Search of Time: The Science of a Curious Dimension.