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this post was submitted on 08 Sep 2023
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Asklemmy
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We can't touch objects, ever. Most of the space "occupied" by an atom is emptiness (which is another rabbit hole I'm not willing to go down), and when we "touch" an object, it's just a force field pushing the atoms apart. It's the same reason why we don't fall apart into atoms - some invisible force just really wants our atoms to stay together.
So how does cutting an apple in half work? The knife must be touching the apple to cut it, right?
You can kind of visualize it as wire EDM manufacturing. Although not a fully accurate depiction, but it fractures the connection between the two sides.
That analogy relies on the reader having any idea what wire EDM manufacturing is. ;) Not exactly an everyday topic.