Technological Achievement Tiers: Difference between revisions
→Tier 5: Atomic Age
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Tier 5 species usually begin 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 manned space flight, albeit in a short-scale. | Tier 5 species usually begin 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 manned space flight, albeit in a short-scale. | ||
Humanity entered this age in 1961, when Yuri | Humanity entered this age in 1961, when Yuri Gagarin became the first man in space<ref>'''[[Halo Encyclopaedia]]''', ''page ??''</ref>. Early 21st Century [[Humanity]] stood at this level. | ||
==Tier 4: Space Age== | ==Tier 4: Space Age== | ||