Erwin Schrodinger — "Quantum mechanics has taught us that the world is not as solid and substantial a…"
Quantum mechanics has taught us that the world is not as solid and substantial as we thought.
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More from Erwin Schrodinger
"Quantum physics thus reveals a basic oneness of the universe."
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About Erwin Schrodinger (1887-1961)
Austrian physicist who shared the 1933 Nobel for the wave equation that bears his name and the famous cat thought-experiment. Closely associated with Werner Heisenberg (matrix-mechanics rival who reached the same physics by different math) and Albert Einstein (his pen-pal on quantum interpretation). For an intellectual contrast, see Niels Bohr, Danish physicist and architect of the Copenhagen interpretation — Schrödinger's cat thought-experiment was specifically designed to ridicule Bohr's 'observer-dependent reality' reading of quantum mechanics — Schrödinger thought the Copenhagen interpretation was absurd; the cat was meant as reductio ad absurdum.
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Understanding this quote
What it means
Our everyday intuition that the world is made of solid, definite objects in fixed states is wrong. Quantum mechanics shows that matter at the smallest scales behaves probabilistically and wave-like. Particles lack definite properties until measured. Reality is built on uncertainty and superposition — states that defy common sense. The apparent solidity of everything around us masks a fundamentally strange, indeterminate foundation that classical physics never suspected.
Relevance to Erwin Schrodinger
Schrödinger formulated wave mechanics in 1926, replacing particle-trajectory thinking with a wave equation describing how quantum states evolve. His 1935 cat thought experiment — a cat simultaneously alive and dead until observed — dramatized quantum superposition's challenge to ordinary reality. He spent decades questioning what quantum theory truly meant for physical existence, writing What Is Life? to connect physics and biology, always probing assumptions about matter's concrete nature.
The era
The early 20th century shattered classical physics. Newtonian mechanics had described a clockwork universe of solid, deterministic matter, but quantum theory — developed from 1900–1930 by Planck, Bohr, Heisenberg, and Schrödinger — revealed a probabilistic, observer-dependent reality. The 1927 Solvay Conference crystallized fierce debate over interpretation. The atomic bomb in 1945 proved quantum mechanics' power, making the philosophical question of matter's true nature urgent for scientists and public alike.
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