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Schrödinger’s Cat: Dead AND Alive? The Quantum Paradox Explained
Is the cat dead or alive? According to quantum mechanics, until you open the box, it is technically both.
This infographic breaks down Erwin Schrödinger’s famous thought experiment, designed to illustrate the bizarre nature of quantum superposition.
1. The Setup
A cat is placed in a sealed steel chamber with a “diabolical device”: a Geiger counter containing a tiny bit of radioactive substance. If a single atom decays, the counter detects it and shatters a flask of poison.
2. The Superposition
Because radioactive decay is a random quantum event, until the atom is measured, it exists in a state of being both decayed and not decayed. Consequently, according to quantum theory, the cat is also in a superposition: it is simultaneously dead and alive.
3. The Observation
The paradox resolves only when an observer opens the box. This act of measurement forces the “wave function” to collapse, causing nature to choose one definite reality: either the cat is alive, or it is dead. It can no longer be both.
Schrödinger originally proposed this to show how absurd the prevailing theories of quantum mechanics (the Copenhagen interpretation) would sound when applied to everyday objects like cats.
Tags:
Schrödinger’s Cat, Quantum Physics, Superposition, Observer Effect, Quantum Mechanics, Physics Paradox, Science Education, Thought Experiment, Erwin Schrödinger, Wave Function Collapse, Physics Facts, Science Infographic
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