Lars Caspersen won a travel grant of $1000 to join the American Physical Society (APS), Division of Fluid Dynamics (DFD) which took place in Pheonix, AZ, November 21-23, 2021. There, he presented his work on the effect of artificial denticles mimicking shark scales on flows, titled “Artificial Denticle-Covered Textures in Taylor-Couette Flows”.