By Schlager N., Weisblatt J.
This three-volume set introduces researchers to concerns surrounding either present strength assets and replacement strength thoughts. whereas there's major dialogue of the non-renewable assets now used to fulfill nearly all of the world's power wishes (oil, coal and average gas), the first concentration of the set is on more recent thoughts to satisfy the ever-growing call for. those concepts contain wind and solar power, gas cells, hydropower, geothermal energy and biomass strength. moreover, extra theoretical resources also are explored, together with chilly fusion, 0 aspect strength and common forces. Entries talk about the technological know-how in the back of the strength resource, remarkable scientists and medical discoveries, present examples of use, and the problems, demanding situations and hindrances to large-scale use. prepared alphabetically via access identify.
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Additional info for Alternative Energy (Volume 3)
24 trillion gallons of water. The dam is 726 feet (221 meters) tall, and at its base is 660 feet (201 meters) thick. 5 million cubic yards of concrete would be enough to build a two-lane highway from Seattle, Washington, to Miami, Florida. 3 million people. The largest hydroelectric dam in the United States is the Grand Coulee Dam on the Columbia River in Washington State. Construction began on the dam in 1933 and was completed in 1942. The original purpose of the dam, however, was not to generate electricity but to irrigate one-half million acres of agricultural land.
More commonly, the source of the water was an artificial channel that flowed to a position above the waterwheel. Current uses of hydropower Although waterwheels are thought of as a feature of earlier societies, in fact they are still widely used for irrigation, pumping water, and even occasionally still to power machinery such as sawmills. These types of wheels can be found in many areas of the world. In Turkey and Afghanistan, waterwheels are still used to grind grain. In the United States, a company called Equality Mills in West Virginia still manufactures waterwheels, and one of the first wheels the company ever produced, in 1852 (under earlier owners), is still in operation at the Tuscorora Iron Works just across the creek.
There is no way to somehow manufacture more oil or natural gas. However, the energy provided by water will be there as long as the sun shines and as long as the Earth contains oceans and rivers. Further, the energy provided by water is essentially free—once, of course, the technology is put in place to extract the energy. While money would continue to have to be spent to build plants, maintain them, and distribute the power they produce, a major benefit is that power providers would not have to buy fuel for them.