Kehinde Wiley’s paintings often blur the boundaries between traditional and contemporary modes of representation. Rendered in a realistic mode–while making references to specific Old Master paintings–Wiley creates a fusion of period styles, ranging from French Rococo, Islamic architecture and West African textile design to urban hip hop and the “Sea Foam Green” of a Martha Stewart Interiors color swatch. Wiley’s slightly larger than life size figures are depicted in a heroic manner, as their poses connote power and spiritual awakening. Wiley’s portrayal of masculinity is filtered through these poses of power and spirituality.
NPR’s Skunk Bear Tumblr has a great new video on the schlieren visualization technique. The schlieren optical set-up is relatively simple but very powerful, as shown in the video. The technique is sensitive to variations in the refractive index of air; this bends light passing through the test area so that changes in fluid density appear as light and dark regions in the final image. Since air’s density changes with temperature and with compressibility, the technique gets used extensively to visualize buoyancy-driven flows and supersonic flows. Since sound waves are compression waves which change the air’s density as they travel, schlieren can capture them, too. (Video credit: A. Cole/NPR’s Skunk Bear)