Why don't atomic nuclei explode despite the massive electromagnetic repulsion between protons?
Protons within an atomic nucleus repel each other with enough force to lift a dog. This video explains the surprising mechanism that prevents this repulsion from triggering a nuclear explosion, allowing for the existence of complex atoms and chemistry.
Two protons sitting side-by-side in a nucleus experience an intense electromagnetic force pushing them apart. If this force were not countered, it would be sufficient to lift a medium-sized labradoodle. The stability of matter depends on a specific quirk of nature that keeps these nuclei intact.
While it is a common assumption that the strong force is the direct agent holding nuclei together, the reality is more nuanced. This fundamental interaction is essential; without it, complex atoms and the chemistry required for life would be impossible.