Multiple independent invention is surprisingly common — there have been many research studies highlighting the pattern. Examples include the blast furnace (invented independently in China, Europe and Africa) and the crossbow (invented independently in China, Greece, Africa, northern Canada, and the Baltic countries). And they reveal an important home truth about how innovation actually happens.

This podcast explores the topic

⁠⁠⁠⁠You can find a transcript here,⁠⁠⁠⁠ together with many other innovation resources including video, audio, cases, tools, even some songs!