University of Virginia resists releasing climate documents

Another whitewash? The University of Virginia is resisting releasing a variety of climate documents being requested under the state’s Freedom of Information Act (FOIA). Key quote:

In response to a previous FOIA request, U.Va. denied these records existed. However, during Cuccinelli’s pre-investigation under the Virginia Fraud Against Taxpayers Act (“FATA”), a 2007 law passed unanimously by Virginia’s legislature, which clearly covers the work of taxpayer-funded academics, U.Va. stunningly dropped this stance.

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Root cause of tank cracks possibly found

NASA engineers think they might have found the root cause of the cracks that have been appearing on the shuttle external tank. The cracks appear on structural units called stringers. Key quote:

โ€œSome material used for the stringers was found to be ‘mottled,’ with a different surface appearance than the standard material. Testing revealed this mottled material had lower fracture toughness than the nominal material and exhibited unstable crack growth. All of the cracks found during tanking as well as cracks fixed during manufacturing were located on stringers made with this mottled material.โ€

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