It was, IMO, a deeply flawed theoretical thought experiment.
- By its very nature it can't be tested. An "experiment" that can't give you results is totally useless.
- This is one of the reasons I doubt that anyone has ever actually done this "experiment"; no one could figure out a way to get any actual results from it.
- It's not an experiment that would need to be tested. That's not what it's about. The basic idea is (and I am not a physicist so apologies to those who are better at this than I): in order to understand quantum physics, you have to be able to accept that 2 opposing things can be true at the same time, until you observe which one is true. Until you open the box and see whether the cat is alive or dead, you must accept that it is both alive and dead at the same time. The cat is not an important part of the thought experiment, it's only used as an illustrative point.
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it was a newspaper article that posted in the textbook