We seem to have this cultural obsession with the "Eureka!" moment -- that instant when everything comes together and a light bulb appears over your head. But how many ideas really materialize that way?
This afternoon, Nora interviewed Steven Johnson about his new book, Where Good Ideas Come From: The Natural History Of Innovation. A shorter version of this interview will air on an upcoming episode of Spark, but you can hear the full, uncut interview if you download the mp3:
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