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Science
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Observe and measure.
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A simple question,
when?
Born, discovered, when did or will it, etc.
Doppler Effect for Sound and Light
1842
Science Story
Waves.
Galileo Galilei
born 1564.
Lived from 1564 to 1642, aged 77.
Science Story
Observational Empiricism.
Electroweak Era
13.8 Billion Years Ago: First Millisecond
A bit speculative. Still an irrational idea rationally deduced but with some empirical data.
Science Story
Big Bang Singularity.
Max Planck
1858
Lived from 1858 to 1947, aged 89.
Science Story
Max Planck.
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