[An updated treatment of this material appears in Chapter 2 of the Energy and Human Ambitions on a Finite Planet (free) textbook, and also forms the basis for a 2022 article in Nature Physics.]| Do the Math
Author(s): Murphy, Thomas W, Jr | Abstract: Note: a two-side version optimized for printing is available in Supplemental Materials. Where is humanity going? How realistic is a future of fusion and space colonies? What constraints are imposed by physics, by resource availability, and by human psychology? Are default expectations grounded in reality?This textbook, written for a general-education audience, aims to address these questions without either the hype or the indifference typical of m...| escholarship.org
[An updated treatment of this material appears in Chapter 1 of the Energy and Human Ambitions on a Finite Planet (free) textbook, and also appears as part of an article in Nature Physics in 2022.]| Do the Math
A post from last year titled The Ride of Our Lives explored the game theory aspect of modernity: those who adopted grain agriculture and new technologies had a competitive advantage over neighbors who didn’t. The “winners” were destined to be those who followed the path that we now call progress.| Do the Math
The numbers had already left impressionable marks on me, and as they swirled in my head for some months I certainly had a sense for the urgent warning they wanted me to hear. But it wasn’t until I rubbed the numbers together that the message really rang out. Then plotting the historical evolution shook me anew. I was staring at the ecological cliff we appear to be driving over.| Do the Math
