A modem that includes a configuration domain name associated with a configuration Broadband Service Node is firstly provided. Specific method innovations such as tissue sample preparation techniques render this method practically as well as theoretically useful. And the second rotatetranslate mechanism includes guided traveler that is guided by a guide track through conforming rotation and translation to permit the wave motion of the infant-receiving component without binding. Non-linear filtering as implemented by exemplary median filtering does not impair or otherwise limit the bandwidth of the underlying control measurements. Also included herein is a procedure for determining the volumetric density of a given sample using the volumetric densiometer flask.