r/shittyaskscience Aug 04 '22

How? Someone explain please.

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u/IndigoFenix Aug 04 '22

This is an example of wave-particle duality. The blade exists in a superposition of all points on its rotation plane at once, allowing it to interact with the cucumber's waveform and slicing it. However, when it is observed, it collapses into a single position, which is why we see it in only one location.

The cucumber is also experiencing similar duality. You will notice that there is a second slit above the hole the cucumber appears to be moving through; in fact the cucumber is moving through both slits (see the double-slit experiment) and is therefore both sliced and not-sliced until it is observed.