In a honeycomb lattice of potassium cobalt arsenate, cobalt spins (red and blue arrows) couple and align. Potassium, arsenic and oxygen are removed to highlight the magnetic cobalt atoms. Researchers ...
baker cutting circles out of dough - PeopleImages.com - Yuri A/Shutterstock A lattice design on a pie crust is a timeless, stunning effect that requires advanced pastry knowledge and a deft touch.