At a Tokyo radiation hotspot, weirdness abounds

Officials were worried this week, when they discovered a radiation hotspot in Tokyo, kicking off readings as high as 3.35 microsieverts per hour. (For context, a dental x-ray is about 5 microsieverts. This wasn't a massive amount of radiation, but it was concerning. The AP reports that readings of that level have been found in the Fukushima evacuation zone.)

The good news: This has nothing to do with Fukushima. It turned out to be an extremely localized hotspot, and officials found the real source nearby.

The bad news: The real source turned out to be something the AP is describing as "mystery bottles" stored under someone's house. No. Really.

So, I guess the takeaway to this story should be something like: Japanese officials find source of radiation hotspot, and are no longer worried that it's being caused by Fukushima. Instead, they are now worried about why somebody in Tokyo is storing bottles of a radioactive substance under a house.

(Via Steve Silberman)

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Maggie Koerth-Baker

I do the Twitter, the Google+, and (to a much lesser extent) the Facebook.

Books
Before the Lights Go Out: Conquering the Energy Crisis Before It Conquers Us, my book about the future of energy in the United States, will be published April 10th.

Upcoming Appearances
April 2 at Skeptics in the Pub, Boston, Mass.— 7:00 pm at Tommy Doyle's in Harvard Square. Please RSVP.
April 4 at MIT: "Shedding Light, Online", a discussion about how blogging and a dynamic audience helped shape my book, Before the Lights Go Out—4:00 pm in Maseeh Hall. Please RSVP.
• April 6 at Carnegie Mellon University: More details to come
April 9-13 at University of Colorado, Boulder: 64th Annual Conference on World Affairs
April 10 at Colorado State University, Fort Collins: "Putting the Fun Back in Infrastructure"—3:30 pm in the Rocky Mountain Innosphere.
• April 19 at The Bakken Museum in Minneapolis: Book Launch Party! Come enjoy snacks, a presentation by me, and some fun with the Bakken's Leyden jar.
April 21 at Science Museum of Minnesota, St. Paul: Earth Day Tweetup event with Will Steger and Sean Otto—events run 10:00 am to 2:00 pm.
May 2 at University of California, Berkeley: "Putting the Fun Back in Infrastructure"—6:00 pm, location TBA.
May 3 at the American Institute of Architects, San Francisco Chapter—Lunchtime lecture, time and location TBA.
May 3 at Barnes and Noble, El Cerrito, Cali.—7:00 pm.
May 30 in New York City—Panel on local and DIY energy with the New America Foundation
June 22-25 in Aspen, Colorado: Aspen Environment Forum
July 5-8 at CONvergence in Minneapolis, Minn.—exact times and dates TBA


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