UN atomic agency urges Fukushima safety improvements

The International Atomic Energy Agency on Monday called on the operator of Japan's crippled Fukushima nuclear plant to improve "essential systems" as it struggles to deal with leaks and power cuts.

Crippled Japan nuclear plant hit by power cut

Engineers at Japan's crippled Fukushima nuclear plant partially succeeded Tuesday in restarting cooling systems after a power cut underlined its still-precarious state two years after a tsunami struck.

Nuclear chief: US plants safer after Japan crisis

Two years after the nuclear crisis in Japan, the top U.S. regulator says American nuclear power plants are safer than ever, though not trouble-free. A watchdog group calls that assessment overly rosy.

High plutonium breeding of light water cooled reactors

Professor Oka and his research team at Waseda University have succeeded in developing the world's first conceptual nuclear reactor design of high plutonium breeding by light water cooling.

Developing a robot that can go where humans fear to tread

It sounds like a science fiction scenario: a nuclear reactor is racing toward meltdown, and someone needs to close a valve to stop cooling water from leaking out of the reactor. Unfortunately, radiation levels near the valve ...

Record radiation levels detected at Fukushima reactor

TEPCO, the operator of Japan's crippled Fukushima nuclear plant, said Wednesday record amounts of radiation had been detected in the basement of reactor number 1, further hampering clean-up operations.

Fukushima leak may have flowed into Pacific: TEPCO

About 12 tonnes of radioactive water has leaked at Japan's crippled Fukushima Daiichi nuclear power plant, with the facility's operator saying Thursday that some may have flowed into the Pacific Ocean.

PNNL's Olympus supercomputer advances science, saves energy

A new, 162-Teraflop peak supercomputer at the Department of Energy's Pacific Northwest National Laboratory is helping scientists do more complex, advanced research in areas such as energy storage and future power grid development. ...

Thousands protest against nuclear power in Japan

About 2,000 demonstrators hit the streets of Yokohama on Saturday calling for an end to nuclear energy in Japan after the March 11 disaster that sparked the worst atomic crisis since Chernobyl.

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