99 years agoInternal Combustion and Flight
1928
Penicillin
Fleming discovered penicillin, ushering in the age of antibiotics.
Art style · 1920s microbiology lab illustration
World population
2.03Bpeople
1/4 of today
Primary energy power
2.2×10¹²W
1/9 of today
London → New York message
0.02 seconds
2 times faster than today
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.
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