KnowraFundamental interactionLinked fromLinked fromThe 6 pages that link to Fundamental interaction, each with the reason it gives.All 6Broader topic 1Related 1Narrower topic 4Particle physicsBroader topic: Particle physics describes how elementary particles interact through these forces.Electromagnetic interactionNarrower topic: Electromagnetism is one of the four interactions in this classification.Fine-tuningRelated: Changing interaction strengths can affect matter, stars, and cosmic structure.Matter (physics)Narrower topic: These interactions govern how matter particles affect one another.Theory of everythingNarrower topic: The unification sought here concerns gravity, electromagnetism, and the strong and weak interactions.History of subatomic physicsNarrower topic: Changing accounts of these interactions have shaped the field alongside discoveries of new particles.