The Project Orion space program that ran from 1958 to 1965 looked into using nuclear bombs to propel rockets. Small tests were successful, but the program was ultimately shut down by the 1963 nuclear testing ban.
The Tennessee Valley Authority employs 38 cybersecurity experts, plus 20 to 30 contract workers, to monitor online activities for potential cyber attacks. "Cyber threats now represent a greater threat to the United States than physical threats," says Homeland Security Secretary Kirstjen Nielsen.
The uranium leak at Westinghouse's South Carolina fuel factory has led the company to create a customer advisory board. The leak did not impact the water supply, says Westinghouse.
Municipal Electric Authority of Georgia and Oglethorpe Power Corp. saw their bond ratings placed on "Rating Watch Negative" by Fitch Ratings last week. The revised cost expectations to complete units 3 and 4 at Plant Vogtle in Georgia was a leading reason for the decision, says Fitch analyst Kathy Masterson.
Gabon's natural nuclear reactor, Oklo, was formed two billion years ago and could offer insight into storing used nuclear fuel today. A study of the site shows that elements like iron might help in containing radioactive cesium.
The 1,330-megawatt Penly-1 nuclear reactor in France had an unexpected failure, says EDF. The unit is expected to return online today, with the 890-megawatt Dampierre-3 and 915-megawatt Cruas-4 reactors expected to return to service on Aug. 20.
Selling nuclear power plants to overseas countries is a top priority for the Russian government as it looks to expand its influence. China is also focused on selling nuclear plants internationally as a form of diplomacy, with the two countries likely becoming the market leaders for international sales in the near future despite the risks.
US ambassador to the UK Robert Wood Johnson has asked Britain to support President Trump in backing out of the Iran nuclear deal. "[W]e are asking global Britain to use its considerable diplomatic power and influence and join us as we lead a concerted global effort towards a genuinely comprehensive agreement," writes Johnson.
A laboratory fire at the Hanford Nuclear Reservation in Washington led to the evacuation of 250 employees and sent two employees with respiratory complaints to the hospital. The fire did not involve any radioactive material.