In honor of physicist Erwin Schrodinger, Google is displaying Schrodinger’s cat for their logo. Schrodinger came up with his 1935 thought experiment that postulated a cat in a box with a radioactive device that could trigger a mechanical device leading to the feline’s death by poisoning.

In the quantum interpretation of reality, the cat can be simultaneously alive and dead until the experimenter opens the box. The idea is that a quantum particle exists in many possible states until the moment we observe it.

Read more here.

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