Kardashev index
0.645
Based on primary energy power · Type I = 1
AccelerationFour-dimensional view84 years agoThe Atomic Age
1942-12-02
First Nuclear Reactor
Chicago Pile-1 achieves the first man-made self-sustaining chain reaction.
Art style · 1940s black-and-white news photography
Origin of Life on EarthDinosaurs and MammalsAI Agents
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Civilization metrics
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Turing proposes a mathematical model of computability, laying the foundation of computer science. Source
Hahn and Strassmann discover that uranium nuclei can split. Source
Chicago Pile-1 achieves the first man-made self-sustaining chain reaction. Source
The Trinity test detonates the first atomic bomb in New Mexico. Source
ENIAC, a general-purpose electronic computer, is publicly unveiled at the University of Pennsylvania. Source
Bardeen and Brattain at Bell Labs build the point-contact transistor. Source
Shannon publishes "A Mathematical Theory of Communication": information becomes measurable. Source
Turing publishes "Computing Machinery and Intelligence", proposing the "imitation game". Source
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Every timeline entry cites its source. Metrics interpolate logarithmically between sourced data points. Forecasts include institutional and community views, and attributed site scenarios; years are not guaranteed realization dates. Illustrations are AI-generated in each era's style.