THE Brantas River has become Rohaliyahs favorite place for bathing, washing and relieving herself. The mother of one from Kendalpayak, Malang regency, East Java, is unaware that her activity on the river is under electronic surveillance.

The Electronics Research Center, National Institute of Sciences (LIPI), has installed monitoring equipment at the river. Of course, the instruments are not in the form of cameras, like those of voyeurs, but rather