A video taken by tiny drones sent into one of three damaged reactors at the Fukushima Daiichi nuclear power plant showed a gaping hole in the thick-walled steel container of the core, with lumps of likely ...

A video taken by tiny drones sent into one of three damaged reactors at the Fukushima Daiichi nuclear power plant showed a gaping hole in the thick-walled steel container of the core, with lumps of li...

A video taken by tiny drones sent into one of three damaged reactors at the Fukushima Daiichi nuclear power plant showed a gaping hole in the thick-walled steel container of the core, with lumps of li...

A video taken by tiny drones sent into one of three damaged reactors at the Fukushima Daiichi nuclear power plant shows a gaping hole in the thick-walled steel container of the core, with lumps of likely fuel debris hanging from...