Micro Technology: Micromechanics: Dale Emery at the controls of a scanning electron microscope (SEM). The image from the microscope is displayed on the TV-type screens. The subject under the microscope is a 250 micron-diameter wobble motor, a micromechanical device. Just visible in the display running diagonally across the right of the screen is a human hair included for comparison. University of Utah, Salt Lake City, USA. Model Released