Calabi-Yau manifold facts for kids
The Calabi–Yau manifold's properties, such as Ricci flatness, have applications in theoretical physics. Particularly in superstring theory, the extra dimensions of spacetime might take the form of a 6-dimensional Calabi–Yau manifold. This led to the idea of string theory mirror symmetry.
Calabi-Yau manifold Facts for Kids. Kiddle Encyclopedia.