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Thanks for sharing your story.

Regarding energy, you might also be interested to know that some scientists suggest measuring the level of civilization advancement by how much energy you can harness from your environment.

Type 1 civilizations can harness all the energy on their planet.
Type 2 civilizations can harness all the energy in their solar system.
Type 3 civilizations can harness all the energy in their galaxy.

We are still below type 1 since we can't access or use 100% of the energy on our planet. It's an interesting way of thinking about things, and really highlights the primary role of energy in civilizational advancement.