"We've been working on this problem for over 10 years and the vaccines we've tried in the past have induced some immune responses but they have not been very effective."
In addition to the obvious safety-related benefits, the fast reaction time will ensure minimal work stoppage and thus result in increased worker productivity and company profitability.
The earthquake and tsunami knocked out outside power to the reactor complex and the tidal wave also disabled backup diesel generators, whose fuel tanks were swept away.
Floor-cleaning machines capable of responding to their environment were among the first commercially available domestic products worthy of being called robots.