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Abstract
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1848
Doppler Effect Observed for Stars
Light Waves
In 1842, the Doppler effect was proposed by Christian Doppler. First confirmed for sound in 1845, then for light in 1848.
Classical Physics
Story
“Everything is in flux.”
- Heraclitus
- 500 BCE
Impermanence
Change is the only form of permanence that exists—first glimpsed by ancient thinkers, and now woven into the fabric of modern science.
Classical Physics
Quote
Is cause and effect certain?
Causation versus Correlation
With the motion of life, cause and effect feel certain. We see stable patterns. But Hume reminds you, correlation does not guarantee causation.
Classical Physics
FAQ
What is the difference between volume and mass?
- Mass is weight.
- Volume is size.
Mass and Volume
Physics < Science
Classical Physics
FAQ