Now, nuclear material can be traced even after they are moved
The technique takes advantage of the fact that radioactive material changes the arrangement of valence electrons - or outer electrons - in insulator materials, such as brick, porcelain, glass - even hard candy.
Jul 06, 2017, 16:31 PM ISTUN watchdog chides Iran on nuclear deal
The head of the UN watchdog chided Iran on Thursday for exceeding for the second time an agreed upper limit for nuclear material set out in last year's atomic accord.
Nov 18, 2016, 00:05 AM IST