Kim Hall, a textile artist, is holding an interactive textile workshop this Saturday May 30 at the 3rd Ward in Brooklyn. Kim will show you how to make a “smart” hat embroidered with heat sensitive inks that can convey a cheeky message with the flip of a switch. In the off state, the embroidery will simply blend in with the fibers of the hat. When switched on, the thread will turn white (transparent) and the message will be visible. The interactive textile workshop will run you $100 for non-members and $80 for members.