Wisdom Builder
Trading Cards
MODE:
Abstract
excerpts.
Trading Cards
Doppler Effect for Sound and Light
Waves
In 1842, Christian Doppler wrote about the doppler effect in stars. It was first confirmed with sound in 1845, then with light in 1848. The big moment came in 1868 when, for the first time, we could tell which stars were coming and going.
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 Trump simply wrong when he says water destroys magnets?
Magnets
Water doesn’t weaken a permanent magnet, but time eventually does.
Classical Physics
FAQ
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
Wisdom Builder
(c) 2025-2026 TouchstoneTruth.
Content and coding by Michael Alan Prestwood.
(c) 2025-2026 TouchstoneTruth.
Content and coding by Michael Alan Prestwood.
