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==Tier 5: Atomic Age== | ==Tier 5: Atomic Age== | ||
Tier 5 species usually become space-faring, focusing on clean energy production. The occasional belligerent species will use atomic energy for weapons, often resulting in mass extinctions. In-atmosphere craft are a hallmark, often leading to | Tier 5 species usually become space-faring, focusing on clean energy production. The occasional belligerent species will use atomic energy for weapons, often resulting in mass extinctions. In-atmosphere craft are a hallmark, often leading to space flight. | ||
''21st Century (Present Day) [[Humanity]] stands at this level.'' | ''21st Century (Present Day) [[Humanity]] stands at this level.'' |
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