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The left molecular diagram shows how an individual platinum atom (gray) has replaced a cerium atom (green) on a cerium oxide surface. In the diagram at right, hydrogen molecules (white) applied to the surface split into hydrogen atoms that bond with cerium. This atomically tailored catalyst demonstrated impressive performance. The colorful final panels on the exterior of the Perlmutter supercomputer photographed at the National Energy Research Scientific Computing Center. An abstract decorative representation of atoms in molecules interacting. Many colorful interconnecting particles on a black field. Close-up of a square metal and plastic lab component with tubes and copper wiring connected. Two researchers posed to the right of a lab bench with various scientific instruments. Example of automated high-resolution imaging of core-shell nanoparticles A colorful schematic of an exciton surfing on a red and blue wave graph. A yellow and blue isometric view of molecules is below. The purple/blue solution contains crystals of the berkelocene “sandwich.” Silica nanoparticles affixed with a distribution of polystyrene chains (purple) self-assemble into hexagonal lattices. Depending on how the chains are organized on the particle surface, they tangle together (purple) or unravel (blue) when compressed. Dozens of droplets clustered together Roughly diamond-shaped asteroid with a rocky, uneven surface, set against a completely black background. Two researchers in blue coats and safety glasses look at an experimental setup.