Annette Painter, an instrument technician specialist and AEDC Fellow, watches the image from a microscope projected on a screen as she wraps .002 in. wire around a wafer while demonstrating the making of a Schmidt-Boelter heat flux gauge Jan. 15, 2002, in the Arnold Engineering Development Complex Test Technology, Analysis and Evaluation Branch's Aerothermal Measurements Lab at Arnold Air Force Base, Tenn. (U.S. Air Force photo by Jill Pickett)