Professional photographer, Yasser Alaa Mobarak, is an award-winning travel photographer from Alexandria, Egypt. His internationally published work is created exclusively using Nikon gear. As the ...

This lavishly illustrated book provides a hands-on, step-by-step introduction to the intriguing mathematics of symmetry. Instead of breaking up patterns into blocks--a sort of potato-stamp ...

Symmetry abounds in nature, often in its most beautiful forms. A perfect snowflake, a blooming sunflower, a light-harvesting complex from a bacterium—they all exhibit striking symmetry, crafted by ...