IT was a quiet afternoon in the National Nuclear Energy Agency (Batan) complex in Puspitek Serpong, Tangerang. Only the sounds of the wind and the leaves rustling in the trees outside could be heard in the complex. Some employees were getting ready to go home. Suddenly, the silence was broken by a yell in the Spectrometry Laboratory. "Yeah, I can do something here. I can do something!" went Evvy's shout. She acted just like Archimede