We speak with Jason Crawford (twitter), from The Roots of Progress. Interview begins at 44:25.
Posts discussed include:
Iron: From mythical to mundane
The various Why Did It Take So Long For (X), and specifically Cotton Gin, Bicycle, and Threshing Machine
Does invention come from deprivation or plenty?
Progress studies as a moral imperative and a civic duty
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Rationality: From AI to Zombies, The Podcast, and the other podcast

LessWrong posts Discussed in this Episode:

Terminal Values and Instrumental Values
Evolving to Extinction
Next Episode’s Sequence Posts:
No Evolutions for Corporations or Nanodevices
The Simple Math of Everything
Conjuring An Evolution To Serve You