(Phys.org) —NASA research indicates hunks of frozen carbon dioxide—dry ice—may glide down some Martian sand dunes on cushions of gas similar to miniature hovercraft, plowing furrows as they go.
Space Exploration
Jun 11, 2013
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1
New Orleans finds itself in the path of Hurricane Ida 16 years to the day after floodwalls collapsed and levees were overtopped by a storm surge driven by Hurricane Katrina. That flooding killed more than 1,000 people and ...
Environment
Aug 28, 2021
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579
After an extreme weather event, such as Hurricane Ian which devastated parts of Florida last month, most Americans choose to rebuild rather than move to less hazardous areas.
Environment
Oct 9, 2022
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121
The extensive system of levees along the Mississippi River has done much to prevent devastating floods in riverside communities. But the levees have also contributed to the loss of Louisiana's wetlands. By holding in floodwaters, ...
Environment
Oct 21, 2012
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A Missouri University of Science and Technology professor has defined the elements that led to the flooding of New Orleans after Hurricane Katrina and has established a clear sense of responsibility in the levee system's ...
Environment
May 28, 2015
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11
Efforts to curb global warming have quietly shifted as greenhouse gases inexorably rise. The conversation is no longer solely about how to save the planet by cutting carbon emissions. It's becoming more about how to save ...
Environment
Jun 16, 2013
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Alexander County sits near the confluence of the Mississippi and Ohio Rivers, at the southernmost tip of Illinois. The sparsely populated jurisdiction is perhaps best known for devastating floods resulting from repeated failures ...
Environment
Feb 4, 2020
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6
To gaming enthusiasts, the Kinect is Microsoft's motion sensor add-on for the Xbox 360 gaming console. The device provides a natural user interface that allows users to interact intuitively and without any intermediary device, ...
Engineering
Nov 9, 2016
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4
The same technologies that Iowa State University's David J. White is developing to build better roads and foundations could also be used to build better river levees.
Engineering
Jun 27, 2011
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Over the past 300 years, humans have dramatically altered rivers through mining, draining, dredging, levee construction, and other activities. Artificial levees, for instance, provide a barrier between rivers and their floodplains ...
Earth Sciences
Jun 17, 2022
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4
A levee, levée, dike (or dyke), embankment, floodbank or stopbank is an elongated naturally occurring ridge or artificially constructed fill or wall, which regulates water levels. It is usually earthen and often parallel to the course of a river in its floodplain or along low-lying coastlines.
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