(AP) Unable to restore normal cooling systems because ... water is going into the reactors, the concern is that hydrogen levels are rising. Technicians began pumping nitrogen into an area around ...

The process of injecting nitrogen into the No 1 reactor ... Since the earthquake knocked out cooling systems, workers have been pumping water into reactors to cool fuel rods, but must now deal ...

This industrial chemical reaction between hydrogen and nitrogen produces ammonia ... Li says their system can be done at a much smaller scale. “You can imagine our reactors in something like a ...