Second 'transformer' robot completes mission inside crippled nuclear reactor
Fukushima No. 1 nuclear power plant
'Transformer' robot breakdown leaves TEPCO in the dark at Fukushima nuclear plant
Nuclear energy cheapest power source due to reduced disaster risks, ministry says
Robot stalls inside Fukushima reactor on Day 1 of probe
Quicker way found to test for radiation in water
TEPCO struggling to win approval of fishermen over water-discharge plan