There has long been a concern among civil engineers that dams could fail days or weeks after an earthquake, even if no immediate evidence of a problem surfaced.
Engineering
Jul 9, 2014
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It takes a synchronized lock and dam system—operating like a motorized flight of stairs on the Illinois River, using gravity to move the water—to maintain a minimum depth for boat traffic. A disastrous domino effect occurred ...
Environment
Jul 8, 2014
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Think of the pressure change you feel when an elevator zips you up multiple floors in a tall building. Imagine how you'd feel if that elevator carried you all the way up to the top of Mt. Everest – in the blink of an eye.
Ecology
Apr 14, 2014
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Criminals don't have to pick your pocket to get what they want out of your mobile. But a certifiably secure operating platform is being developed by Swedish researchers so that consumers can be confident that their mobile ...
Computer Sciences
Mar 6, 2014
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A dam which Laos plans to build across the Mekong River could wipe out critically endangered dolphins in downstream Cambodia, the World Wildlife Fund (WWF) warned on Thursday.
Ecology
Feb 20, 2014
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Managing fish in human-altered rivers is a challenge because their food webs are sensitive to environmental disturbance. So reports a new study in the journal Ecological Monographs, based on an exhaustive three-year analysis ...
Ecology
Aug 20, 2013
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Periodic flooding in Texas—one the most flood-prone states in the nation—cannot be firmly linked to climate change due to numerous dams and other manmade structures introduced over the years, according to a University ...
Earth Sciences
Aug 8, 2013
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With the "green" reputation of large hydroelectric dams already in question, scientists are reporting that millions of smaller dams on rivers around the world make an important contribution to the greenhouse gases linked ...
Environment
Jul 31, 2013
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(Phys.org) —Asian carp are knocking on the door of the Great Lakes, but managers now can better pinpoint strategies to control their rapidly increasing population, according to a new model for tracking carp eggs developed ...
Ecology
Jul 30, 2013
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Theoretically, hydropower can step in when wind turbines go still, but barriers to this non-polluting resource serving as a backup are largely policy- and regulation-based, according to Penn State researchers.
Energy & Green Tech
Jun 25, 2013
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