Engineering
Top stories summarized by our editors
12/7/2017

Builder trials are underway for the Navy's second stealthy Zumwalt-class destroyer. The future USS Michael Monsoor left Bath Iron Works in Maine on Monday for trials that will test the hull and mechanical and engineering components.

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Navy
12/7/2017

Artificial intelligence, big data and cloud computing are the subjects of increased focus and spending by the Defense Department amid a changing global war environment. Envisioned is a future of greater machine-human collaboration as new applications drive "an emerging military-technical revolution," former Deputy Secretary of Defense Robert Work said.

12/7/2017

Dubai was the scene as Command Master Chief Kenneth Robertson relinquished his duties aboard the Amphibious Assault Ship USS America. "If I can inspire one sailor to stay Navy, or if I can inspire one sailor to advance, get their qualifications, become a better person, then I feel I've done my part," Robertson said.

12/7/2017

Unauthorized roads in the forest south of Flagstaff, Ariz., are sending toxic sediment into nearby water sources, and the Forest Service plans to shut them down. The service will barricade the roads and then break them up while depositing mulch and seeds to restore the area.

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Forest Service, Flagstaff
12/7/2017

Negotiations with responsible parties could drag on and delay the cleanup of Texas' San Jacinto Waste Pits for about a year, the Environmental Protection Agency says. Initial EPA testing found dioxin in the sediment at 2,000 times agency standards, although later tests revealed much lower levels.

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San Jacinto Waste Pits, EPA
12/7/2017

The Tubbs fire, which burned down most of Fountaingrove in California's vineyard region, left residue in the ashes containing chemicals and toxins, including fire retardant. Now volunteers are working hard to keep this mix from reaching three creeks that flow into the already biologically impaired Laguna de Santa Rosa.

12/7/2017

The plant that's replacing the sturdy but insect-ravaged roseau cane that knits together much of the Mississippi delta and makes it storm-resistant isn't up to that job. And the problem is expected to worsen as the cane-eating insects proliferate.

12/7/2017

Hard-rock mining companies will not have to prove they can clean up after their operations as the Trump White House pulls back from a proposal put forward under the Obama administration. The proposal would have applied to companies mining noncoal minerals, including gold, copper and lead.

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The Hill
12/7/2017

State and federal officials are looking ahead to 2025 to take into account population growth, farming and land use changes to update their goals for nutrient and sediment reduction in Chesapeake Bay next year. The new approach is intended to address the problem of goals that fall short when shorter-term growth outlooks prove inadequate.

12/7/2017

An Italian study examines how rain gauge readings stack up against satellite imagery for predicting landslides. Researchers concluded that satellite rainfall estimates should not be compared directly with ground data, with local investigation required to account for specific morpho-climatological settings.

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MDPI (Switzerland)
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satellite imagery