베오베에서 방사능물을 식수로 쓴다는 글 읽고왔는데 궁금하더라구요 방사능핵폭탄은 제조가능한데 역으로 없애는건 왜 힘든가요?? 방사능 없애는 기술이 진짜 대단이유가 뭔가요??