Perhaps you are referring to the PopperExperiment, a testing of the Copenhageninterpretation. If so, see the Related Link listed below for more information:
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Erwin Popper died in 1955.
Albert Popper was born in 1808.
Kuhn vs. Popper was created in 2004.
The duration of Professor Popper's Problem is 1.52 hours.
A gentoo penguin.