Members of the board of directors of Altria Group as/of February 2013 were: 1  Elizabeth E. Bailey (1989â ), professor emerita, the Wharton School, University of Pennsylvania. 2  Gerald L. Baliles (2008â ), director, Miller Center of Public Affairs at University of Virginia; former Virginia governor.
An extra-oral digital panoramic dental x-ray imaging system is disclosed for multi-layer panoramic and transverse X-ray imaging. The system includes an X-ray source and a digital imaging device capable of âreal timeâ frame mode output.
Though image intensification technology employed by different manufacturers varies, from the tactical point of view a night vision system is an optical device that enables vision at low light.cientists at the University of Michigan have developed a contact lens that can act as night vision device. The lens has a thin strip of graphene between layers of glass that reacts to photons to make dark images look brighter.