sentences:  Within the Watchtower, Batman is checking the stasis field shielding a left-over module from Brainiac from its environs.As Batman explains to Hawkgirl Brainiac's nature as a regenerative program, a virus that will not die, an alarm goes off and Flash calls everyone to the control room.As it turns out, the Watchtower is in the path of a cosmic superstring, and even with the shield up, most of the power is drained from the station's generator.