query: Why does the nucleus not repel itself?
positive_passages.docid: 13959
positive_passages.text: Protons' repulsion within a nucleus
negative_passages.docid: 50258
negative_passages.text: How can a set contain itself?
negative_passages.docid: 79462
negative_passages.text: What is strain? Why does DNA coil upon itself?
negative_passages.docid: 26523
negative_passages.text: Can't hide object which particles are based on, without losing particles
negative_passages.docid: 133896
negative_passages.text: Which interaction violates T symmetry?
negative_passages.docid: 16869
negative_passages.text: Why is the Continuum Hypothesis (not) true?
negative_passages.docid: 150616
negative_passages.text: Binding energy in fission
negative_passages.docid: 123129
negative_passages.text: Why can't a particle penetrate an infinite potential barrier?
negative_passages.docid: 3808
negative_passages.text: Why do same/opposite electric charges repel/attract each other, respectively?
negative_passages.docid: 128619
negative_passages.text: Why does an electron shell further away from nucleus has higher energy level?
negative_passages.docid: 95766
negative_passages.text: Why don't the heads of phospholipid bilayers repel hydrophobic molecules?
negative_passages.docid: 123091
negative_passages.text: Is the "protophobic fifth force" observed in nuclear decays a new fundamental force?
negative_passages.docid: 140370
negative_passages.text: Why don't neutrons cluster on their own?
negative_passages.docid: 129003
negative_passages.text: Is there any way to attract or repel neutrons?
negative_passages.docid: 68831
negative_passages.text: Why mass terms are forbidden?
negative_passages.docid: 105784
negative_passages.text: Binding energy of a nucleus is positive?
negative_passages.docid: 84266
negative_passages.text: What keeps lightsabers from going through each other?