|NIST research associate Thomas Gerrits at the laser table used to create "quantum cats" made of light.|
Austrian physicist Erwin Schrodinger constructed his "cat" experiment as a "reductio ad absurdum" argument against one interpretation of quantum mechanics. Einstein had recently described quantum entanglement in an article suggesting that superposition of opposite states in atomic quanta could also become macroscopic. To illustrate the absurdity of that notion, Schrodinger constructed the situation where a cat could be both alive and dead simultaneously.
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