A scanning electron micrograph of porous ceramic alumina showing tin deposition (both small and present on the rods) over rod-shaped aluminum oxide crystals. Image courtesy by Dr. Shashank Reddy Patlolla and Mr. Kyle Katsu, a post-doctoral fellow and undergraduate researcher in Dr. Walter Merida lab, Department of Mechanical Engineering. Metal Sn was dispersed on a porous ceramic alumina after heating at 1000 degrees Celsius to study their interaction. Researchers used the Hitachi S2600 SEM.