AHEATED RESPONSE Probing 2-D materials with high-energy particle beams reveals how these superthin films perform when the heat is on.
SOAKIN’ UP SUN New materials can switch from transparent pane (right) to dark-tinted solar cell (left) and back again.
Jia Lin/U.C. Berkeley
MAGNETIC KNOTS A skyrmion is a swirl (red) among the atoms of a magnetic material. Here, cones point in the direction of each atom’s magnetization. Skyrmions come in several types; this one, a Néel skyrmion, is found in thin materials.