Spiral arm formation in galaxies involves differential rotation, where inner objects orbit faster than outer objects, creating a spiral pattern over time. While differential rotation contributes, the ...

The seeds of a sunflower, the spines of a cactus, and the bracts of a pinecone all form whirling spiral patterns. Remarkable for their regularity and beauty, these natural structures also show some ...

Curiosity about a mistake that left tiny dots on a germanium wafer with evaporated metal films led to the discovery of beautiful spiral patterns etched on the surface of the semiconductor by a ...