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A nuclear power plant in Byron, Illinois. Taken by photographer Joseph Pobereskin (http://pobereskin.com). カレンダー
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Latest Posts / 最新記事
- US Spent $98,000 Per Minute on Nuclear Weapons in 2023, New Report Says via Truthout 2024/06/17
- 1億4000万円かけた対策は「ポーズ」と住民は見透かす 要支援者向け「被ばく防止施設」に担架が入らない via 東京新聞 [後編] 2024/06/11
- 海に流していいのげ 2024/06/03
- 被爆者らのゲノム解析 放影研方針、次世代への影響調査 via 日本経済新聞 2024/03/04
- 「おなか張る」から、亡くなるまで4カ月…生身の人間を苦しめたトロトラスト 知識ゼロから始まった「日本初の薬害」の取材 via 信濃毎日新聞 2024/02/29
Discussion / 最新の議論
- Leonsz on Combating corrosion in the world’s aging nuclear reactors via c&en
- Mark Ultra on Special Report: Help wanted in Fukushima: Low pay, high risks and gangsters via Reuters
- Grom Montenegro on Duke Energy’s shell game via Beyond Nuclear International
- Jim Rice on Trinity: “The most significant hazard of the entire Manhattan Project” via Bulletin of Atomic Scientists
- Barbarra BBonney on COVID-19 spreading among workers on Fukushima plant, related projects via The Mainichi
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Choose Language / 言語
Search Results for: manhattan
Bikini Atoll Is Not A Beer: Pacific Islanders Speak Out via The Asia-Pacific Journal
Laray Polk Pacific Islanders are speaking out after a Texas-based company, the Manhattan Project Beer Co, named one of its handcrafted beers, Bikini Atoll. Based on news coverage and responses on social media, people around the world are listening. An … Continue reading
Posted in *English
Tagged Bikini Atoll, Nuclear Weapons, Radiation exposure, the Manhattan Project, the Marshall Islands
2 Comments
Visit the Reactor That Made the Plutonium for the “Fat Man” Nuclear Bomb via IEEE Spectrum
The Manhattan Project’s B Reactor at Hanford is a fascinating, complicated monument to U.S. nuclear historyBy Maria Gallucci A literal pile of cylinders rises 11 meters high inside a graphite box, filling the dimensions of a cavernous hall. The towering grid of … Continue reading
Liane Russell, Who Studied Radiation’s Effects on Embryos, Dies at 95 via The New York Times
Her findings led to cautions against X-rays for pregnant women. She also discovered that the presence of the Y chromosome meant a mammalian embryo was male. By Katharine Q. Seelye Dr. Liane B. Russell, a pioneer in the study of the dangers … Continue reading
Posted in *English
Tagged Liana Russell, Radiation exposure, the Manhattan Project, X-ray
9 Comments
Beer Named After Nuclear Testing Site Bikini Atoll Gets Called Out for Insensitivity via TIME
BY CADY LANG The Manhattan Project Beer Company, a Texas-based craft beer company, was called out for insensitivity this week by Pacific Islanders and the Marshall Islands government for naming one of its beers after the Bikini Atoll, a site of extensive U.S. … Continue reading
Posted in *English
Tagged Bikini Atoll, health, nuclear tests, Radiation exposure, the Manhattan Project
3 Comments
Tri-Cities will turn the clock back 75 years. Atomic Frontier Days to return via Tri-City Herald
By Annette Cary RICHLAND, WA The Tri-Cities will return to its one-of-a-kind past this summer and fall as it relives the events on the World War II home front. Sept. 26 will mark 75 years since B Reactor, the world’s first full-scale … Continue reading
Los Alamos National Laboratory site resumes shipping nuclear waste via Santa Fe New Mexican
Safety problems for the past five years prevented Los Alamos National Laboratory from using an important building built to temporarily store and load drums of radioactive waste. But officials on Friday said the structure, known as the Radioassay and Nondestructive … Continue reading
State Of Washington Lambastes Trump Administration Plan To Reclassify Nuke Waste via Huffpost
SPOKANE, Wash. (AP) — The state of Washington said Tuesday it opposes a federal proposal to reclassify as less dangerous some radioactive waste on a site in the state that contains the nation’s largest supply because it fears much of … Continue reading
核兵器製造を目指した「マンハッタン計画」のコスト内訳を調べてわかったこととは? via Gigazine
第二次世界大戦中にアメリカ・イギリス・カナダなどの研究者らが原子爆弾の製造・開発を行ったマンハッタン計画は、優秀な科学者や技術者を多数動員した非常に大規模なプロジェクトでした。結局マンハッタン計画は原子爆弾の開発に成功し、日本に原子爆弾を落としただけでなく戦後の冷戦構造を生み出す結果につながりました。そんなマンハッタン計画に投入された資金について分析した結果を、スティーブンス工科大学の科学歴史家であるAlex Wellerstein氏が公開しています。 The price of the Manhattan Project | Restricted Data http://blog.nuclearsecrecy.com/2013/05/17/the-price-of-the-manhattan-project/ 原爆開発における大きなターニングポイントとなったマンハッタン計画では、当時のレートでおよそ20億ドル(2200億円)、2012年時点の資産価値に換算するとおよそ300億ドル(約2兆4000億円)もの費用が投入されたとのこと。Wellerstein氏はマンハッタン計画における支出の内訳について調査しました。 投入されたコスト順に並んだ表の一番上にあるオークリッジ(OAK RIDGE)には、「K-25」「Y-12」「S-50」といったコードネームのウラン濃縮工場がありました。その下に位置するハンフォード技術工場(HANFORD ENGINEER WORKS)では、プルトニウムが生産されていたとのこと。ハンフォード技術工場の下にある特殊操作材料(SPECIAL OPERATING MATERIALS)とはプロジェクト全体に必要な、グラファイトやフッ素といった材料を指しています。マンハッタン計画に参加した科学者らが実験や研究を行ったロスアラモス研究所に費やされた支出額は、これらの施設よりもずっと低いことがわかります。 (略) また、Wellerstein氏はアメリカの歴史家であるRichard Hewlett氏らが著した「The New World(新世界)」という文献にもとづいて支出の内訳をさらに細かく分類し、「工場部門」と「運営部門」に分けてプロジェクトが使用した金額を分析。その割合を見ると、費用全体の4分の3が工場の建設などに使用されていることがわかります。マンハッタン計画によって製造され、実際に爆発まで行われた原子爆弾はガジェット・リトルボーイ・ファットマンのわずか3個とされていますが、プロジェクトに費やされた金額のほとんどが兵器生産プロセスに割り当てられているのです。 (略) 原爆は長らく「行き過ぎた科学の進歩が招いた惨劇」であると言われ続けてきました。また、工業的な物語よりも科学的な物語の方が人々にとって好まれやすいという傾向もあります。たとえば大規模な工場建設に伴う障壁を解決するストーリーよりも、オッペンハイマー氏らが倫理的・科学的困難を乗り越えて原爆を開発したストーリーの方が、人々を楽しませて印象に残るものです。さらに原爆の場合、基礎的な物理学的知識がそもそも戦前から世界中の科学者の知るところであり、最も困難なエンジニアリング的ノウハウは工業の領分であった点も、研究部門より工場部門の使用する費用が多くなる結果をもたらしたとWellerstein氏は考えています。 全文は核兵器製造を目指した「マンハッタン計画」のコスト内訳を調べてわかったこととは?
Trump plan to reclassify nuke waste alarms environmentalists via AP
By NICHOLAS K. GERANIOS SPOKANE, Wash. (AP) — The Trump administration wants to reclassify some radioactive waste left from the production of nuclear weapons to lower its threat level and make disposal cheaper and easier. The proposal by the U.S. … Continue reading
Posted in *English
Tagged health, nuclear waste, Nuclear Weapons, Radiation exposure, Safety, U.S.
2 Comments
Hidden danger: Radioactive dust is found in communities around nuclear weapons sites via Los Angeles Times
At the dawn of the nuclear age, the Franklin D. Roosevelt administration placed the nation’s major nuclear weapons production and research facilities in large, isolated reservations to shield them from foreign spies — and to protect the American public from … Continue reading