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DEF CON, the world’s largest hacker conference, is trying to put its legions of experts to work by creating a volunteer army to help protect America’s vulnerable water systems and schools.
Cadillac Desert (1986) is an American history book by Marc Reisner about land development and water policy in the western United States.Subtitled The American West and Its Disappearing Water, it explores the history of the federal agencies, Bureau of Reclamation and U.S. Army Corps of Engineers, and their struggles to remake the American West in ways to satisfy national settlement goals.
Water storage. Water storage is a broad term referring to storage of both potable water for consumption, and non potable water for use in agriculture. In both developing countries and some developed countries found in tropical climates, there is a need to store potable drinking water during the dry season. In agriculture water storage, water is ...
The Ogallala Aquifer (oh-gə-LAH-lə) is a shallow water table aquifer surrounded by sand, silt, clay, and gravel located beneath the Great Plains in the United States. As one of the world's largest aquifers, it underlies an area of approximately 174,000 sq mi (450,000 km 2) in portions of eight states (South Dakota, Nebraska, Wyoming, Colorado, Kansas, Oklahoma, New Mexico, and Texas). [1]
M1129 mortar carrier (MC) M1130 command vehicle (CV) M1131 fire support vehicle (FSV) M1132 engineer squad vehicle (ESV) M1133 medical evacuation vehicle (MEV) M1134 anti-tank guided missile vehicle (ATGMV) M1135 nuclear, biological, chemical, reconnaissance vehicle (NBC RV) M113 armored personnel carrier – 6,000 [ 2][ 3] M58 Wolf.
The M249 SAW, M240, MK 19, and M2 machine guns can be mounted on vehicles. BGM-71 TOW mounted on Humvee and JLTV variants, as well as M2 and M3 Bradley. The M134 Minigun fires 7.62mm ammunition at 3,000 to 4,000 rpm. The M3P Machine Gun, an M2 variant with a higher rate of fire mounted on the Avenger Humvee.
Hydroelectricity. The Three Gorges Dam in Central China is the world's largest power-producing facility of any kind. Hydroelectricity, or hydroelectric power, is electricity generated from hydropower (water power). Hydropower supplies one sixth of the world's electricity, almost 4,500 TWh in 2020, which is more than all other renewable sources ...
The M1 Abrams entered service in 1980 and serves as the main battle tank of the United States Army and formerly of the United States Marine Corps (USMC) until the decommissioning of all USMC tank battalions in 2021. The export modification is used by the armed forces of Egypt, Kuwait, Saudi Arabia, Australia, Poland and Iraq.