エピソード

  • Heat

    Heat
    2025/12/10
    Introduces thermodynamic problems for human habitats, whether to make the Earth's surface uninhabitable, outgoing longwave radiation (OLR), eliminating the greenhouse effect using sequestration, the thermal structure of the human habitat, the Earth population limit of heat, thermodynamic bottlenecks, and the conclusion.
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    35 分
  • Energy

    Energy
    2025/12/09
    Discusses energy generation technologies, passive vs active, considers conventional nuclear power, geothermal, terrestrial solar power, space-based solar power (SBSP), the energy required per person, the Earth population limits of geothermal and terrestrial solar, the challenges of a space-based solar power constellation, and SBSP scaling
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    19 分
  • Elements

    Elements
    2025/12/08
    Introduces elemental limits, and analyzes Oxygen, Silicon, Calcium, Iron, Aluminum, Nitrogen, Carbon, Chromium, Copper, Potassium and Phosphorus. Addresses waste management and recycling.
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    9 分
  • Food

    Food
    2025/12/07
    Explains indoor agriculture, compares indoor vs outdoor agriculture, and emphasizes the omnivorous diet.
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    5 分
  • Water

    Water
    2025/12/06
    Describes water management, the water required per-person and the Earth population limit of water.
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    3 分
  • Space

    Space
    2025/12/05
    Covers the square-cube law, the volume required per person, a moderate scenario using only already-inhabited land, the habitable space of the Earth, and the Earth population limit of habitable space.
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    5 分
  • Rules of This Game

    Rules of This Game
    2025/12/04
    Describes the purpose and approach of this analysis, provides a timeline of population growth, and lists all of the bottlenecks it will consider.
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    7 分
  • Environmental Conservation

    Environmental Conservation
    2025/12/03
    Explains and addresses environmental concerns, offers space colonization as the solution to conservation concerns, and keeps the focus on the limit analysis of human carrying capacity on Earth.
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    5 分