• The origins of the steam engine (2023) https://blog.rootsofprogress.org/steam-engine-origins 19 comments 3/9/2024
• Why has nuclear power been a flop? (2021) https://blog.rootsofprogress.org/devanney-on-the-nuclear-flop 99 comments 21/8/2024

• Progress, stagnation, and flying cars https://blog.rootsofprogress.org/where-is-my-flying-car 2 comments 1/8/2024 goldandblack