To simplify the task, robots made to work inside a reactor would have to be "stripped of all unnecessary items", he said.

BBC: Robot 'race' to fix damaged Fukushima nuclear plant

In the United States, passengers at airports around the country are repacking their own bags, trying to get rid of any unnecessary liquid items.

NPR: U.K. Uncovers 'Advanced' Bomb Plot; U.S. Targeted