News / Asia

Japan Continues Efforts to Cool Crippled Reactors

Smoke is seen coming from the area of the No. 3 reactor of the Fukushima Daiichi nuclear power plant in Tomioka, Fukushima Prefecture in northeastern Japan on Mar 21 2011
Smoke is seen coming from the area of the No. 3 reactor of the Fukushima Daiichi nuclear power plant in Tomioka, Fukushima Prefecture in northeastern Japan on Mar 21 2011

Japan says it may be several more days before power is restored to the reactor for which a core containment vessel may have been damaged. It is one of three reactors at the Fukushima-1 nuclear power plant with cores that, officials say, may have partially melted. Seawater has been pumped into them to prevent the fuel from being exposed.

The Tokyo Electric Power Company says external lines have been re-connected to the crippled facility. That will allow plant operators to again properly monitor radiation levels, illuminate control rooms and stabilize the cooling process.

Hidehiko Nishiyama, the deputy director general of Japan's Nuclear and Industrial Safety Agency, says stabilizing the Number-2 reactor is going to take some time.

Nishiyama says the electrical wiring has failed on the motor of the pump that circulates water in the pool for the used fuel rods. Replacement parts, he says, are being ordered.

For now, firefighters taking turns to avoid excessive radiation exposure are continuing to spray water on fuel pools at reactors where electricity has not been restored.

Scientists say the Number-3 reactor, containing mixed oxide fuel, presents the most severe risk among all of the six reactors. It would be expected to emit highly toxic plutonium in the event of a meltdown.

Another serious challenge is the Number-4 reactor. Its fuel was not in the reactor core at the time of the March 11 earthquake. Its fresher fuel rods - hotter in terms of radiation - are exposed because the roof of the reactor building was blown off in an explosion.

A tsunami triggered by the magnitude 9.0 earthquake destroyed the nuclear plant's cooling facilities.

Japanese Prime Minister Naoto Kan had planned to make a quick trip Monday to one of the communities hard hit by the natural disaster, as well as visit a base for workers of the nuclear plant. But officials say the helicopter flight was canceled because of bad weather.

The pounding rain also hampered search and relief efforts in the devastated Tohoku region. It also prompted unusual warnings from local government officials, advising people to avoid exposure to rain and to wipe themselves dry if they get wet.

Japanese authorities say while there are elevated levels of radiation in the air, soil and water, there is no immediate danger to human health.

You May Like

Video One Year After Thai Coup, No End in Sight for Military Rule

Since carrying out the May 22, 2014 coup, the general has retired from the military but is still firmly in charge More

Goodbye, New York

This is what the fastest-growing big cities in America have in common More

Job-Seeking Bangladeshis Risk Lives to Find Work

The number of Bangladeshi migrants on smugglers’ boats bound for Southeast Asian countries has soared in the past two years More

This forum has been closed.
Comments
     
There are no comments in this forum. Be first and add one

Featured Videos

Your JavaScript is turned off or you have an old version of Adobe's Flash Player. Get the latest Flash player.
Turkey's Main Opposition Party Hopes for Election Breakthroughi
X
May 22, 2015 10:23 AM
Turkey’s main opposition Republican People’s Party has sought an image change ahead of the June 7 general election. The move comes after suffering successive defeats at the hands of the Islamist-rooted AK Party, which has portrayed it as hostile to religion. Dorian Jones reports from the western city of Izmir.
Video

Video Turkey's Main Opposition Party Hopes for Election Breakthrough

Turkey’s main opposition Republican People’s Party has sought an image change ahead of the June 7 general election. The move comes after suffering successive defeats at the hands of the Islamist-rooted AK Party, which has portrayed it as hostile to religion. Dorian Jones reports from the western city of Izmir.
Video

Video Europe Follows US Lead in Tackling ‘Conflict Minerals’

Metals mined from conflict zones in places like the Democratic Republic of Congo are often sold by warlords to buy weapons. This week European lawmakers voted to force manufacturers to prove that their supply chains are not inadvertently fueling conflicts and human rights abuses. Henry Ridgwell reports from London.
Video

Video Class Tackles Questions of Race, Discrimination

Unrest in some U.S. cities is more than just a trending news item at Ladue Middle School in St. Louis, Missouri. As VOA’s Kane Farabaugh reports, it’s a focus of a multicultural studies class engaging students in wide-ranging discussions about racial tensions and police aggression.
Video

Video Mind-Controlled Prosthetics Are Getting Closer

Scientists and engineers are making substantial advances towards the ultimate goal in prosthetics – creation of limbs that can be controlled by the wearer’s mind. Thanks to sophisticated sensors capable of picking up the brain’s signals, an amputee in Iceland is literally bringing us one step closer to that goal. VOA’s George Putic reports.
Video

Video Afghan Economy Sinks As Foreign Troops Depart

As international troops prepare to leave Afghanistan, and many foreign aid groups follow, Afghans are grappling with how the exodus will affect the country's fragile economy. Ayesha Tanzeem reports from the Afghan capital, Kabul.
Video

Video Poverty, Ignorance Force Underage Girls Into Marriage

The recent marriage of a 17-year old Chechen girl to a local police chief who was 30 years older and already had a wife caused an outcry in Russia and beyond. The bride was reportedly forced to marry and her parents were intimidated into giving their consent. The union spotlighted yet again the plight of many underage girls in developing countries. Zlatica Hoke reports poverty, ignorance and fear are behind the practice, especially in Asia and Africa.
Video

Video South Korea Marks Gwangju Uprising Anniversary

South Korea this week marked the 35th anniversary of a protest that turned deadly. The Gwangju Uprising is credited with starting the country’s democratic revolution after it was violently quelled by South Korea’s former military rulers. But as Jason Strother reports, some observers worry that democracy has recently been eroded.
Video

Video California’s Water System Not Created To Handle Current Drought

The drought in California is moving into its fourth year. While the state's governor is mandating a reduction in urban water use, most of the water used in California is for agriculture. But both city dwellers and farmers are feeling the impact of the drought. Some experts say the state’s water system was not created to handle long periods of drought. Elizabeth Lee reports from Ventura County, an agricultural region just northwest of Los Angeles.
Video

Video How to Clone a Mammoth: The Science of De-Extinction

An international team of scientists has sequenced the complete genome of the woolly mammoth. Led by the Swedish Museum of Natural History in Stockholm, the work opens the door to recreate the huge herbivore, which last roamed the Earth 4,000 years ago. VOA’s Rosanne Skirble considers the science of de-extinction and its place on the planet
Video

Video Blind Boy Defines His Life with Music

Cole Moran was born blind. He also has cognitive delays and other birth defects. He has to learn everything by ear. Nevertheless, the 12-year-old has had an insatiable love for music since he was born. VOA’s June Soh introduces us to the young phenomenal harmonica player.

VOA Blogs