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bland
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I am puzzled by the mechanism that enables neutrinos to be able to pass though many light years of lead without interacting with anything. I understand that they do not feel the strong force and that the weak force is slow to respond, but to travel straight though a 100 light year thick slab of lead, surely it not possible that they avoid everything. So what happens at the quantum level when a neutrino hits a quark square on? do they simply go straight through the quark?