An acoustic driver assembly for use with any of a variety of cavitation chamber configurations, including spherical and cylindrical chambers as well as chambers that include at least one flat coupling surface, is provided. The ceramic nanocomposite may further comprise vapor grown carbon fibers. At least one sliding window pane is positioned in the guide track and is positionable between a closed position and at least one open position. The light-emitting device is turned off when the output light of the CCFL is stable. At another viewing level, a user may selectively view various graphical representations of telepresence device statistics and usage information with respect to health ratings for each of a plurality of patients. An apparatus for automatically configuring media connections, includes: a media switch.