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A new double-slit result revives an Einstein-level light paradox

Light has always been the stage on which quantum mechanics performs its strangest tricks, and the double-slit experiment is ...
Space.com

The double-slit experiment: Is light a wave or a particle?

The double-slit experiment is one of the most famous experiments in physics and definitely one of the weirdest. It demonstrates that matter and energy (such as light) can exhibit both wave and ...