Schrödinger used an imaginary cat to show how strange quantum mechanics is.
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He shared the 1933 Nobel Prize in Physics with 狄拉克 (Dirac); his wave equation is 薛定谔方程. The spelling 薛定锷 is a rarer variant.
In Pop Culture
薛定谔的猫Xuēdìng'è de māo
Schrödinger's cat
His 1935 thought experiment: a cat both alive and dead until the box is opened. Online, 薛定谔的 + a noun is anything whose state is unknown until checked.