Mac OS is the computer operating system for Apple Computer's Macintosh line of personal computers and workstations. A popular feature of its latest version, Mac OS X, is a desktop interface with some 3-D appearance characteristics.
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A prisoner should not be compelled to stimulate himself sexually in order for the government to get a sense of his current proclivities.. --U.S. 9th Circuit Court of Appeals Judge John Noonan. The penile plethysmograph (pluh-THIZ-muh-graf) (PPG) is a machine for measuring changes in the circumference of the penis. A stretchable band with mercury in it is fitted around the subject's penis.