Nuclear power reactor plants have many different designs and shapes. Early technology restrictions in nuclear power plants make huge plants with the capability to produce the greatest amount of power possible. But with more recent technology, nuclear plants size are smaller , making them less costly and easier to build. But despite their many technical and engineering differences, nuclear reactors come in two basic types: pressurized water reactor systems and boiling water reactor systems. (more…)

Heat has a enormous influence in our daily lives. Heat quantity exposed in our live has related to the foods we eat, the temperature of our house and buildings, and clothes we wear. Heat can be transferred between different objects with different temperature. But do you know that heat is different from temperature? (more…)

Generating electricity through nuclear power is an enormously complex technical feat. It takes the combined skills of geologists, mine operators, engineers, and scientists, as well as large numbers of highly trained and skilled plant operators. The federal government oversees the construction and operation of these plants to make sure that they are built and operated to the very highest standards. Uranium and plutonium are the main radioactive component for nuclear power, which we will discuss bellow. (more…)

The ecological footprint definition is a measurement that compares rates of human resource consumption and waste generation with the biosphere’s rates of resource regeneration and waste assimilation, expressed in terms of the area necessary to maintain these flows. Ecological footprints represent the biologically productive space required to produce the resources and absorb the wastes of a given population, organization, or product using prevailing management and technology. (more…)

The internal combustion engine has dominated the car and light-truck market for over 100 years. Although remarkable improvements have been made over the past 30 years to reduce air pollutants to nearly zero and to almost double vehicle efficiency, increasing concerns about global warming and energy security are pushing vehicles toward even greater efficiency. (more…)

World energy use has increased steadily over the past several decades. Much of the growth in world energy consumption has been concentrated on the use of fossil fuels (oil, natural gas, and coal). This trend is expected to continue over the foreseeable future. Industrially mature nations will continue to rely on fossil fuels to meet their energy needs for all end uses, but the greatest rate of energy use is projected to occur in the emerging economies of the developing world. (more…)

In the United States, Department of Energy has determined that nuclear power accounts for about 21% of the total electricity generated in the United States, an amount comparable to all the electricity used in California, Texas, and New York. In 2002, there were 65 nuclear power plants throughout the United States, located mostly on the East Coast and in the Midwest. (more…)

Geothermal energy is energy created by the heat of the Earth. Under the Earth’s crust lies a layer of thick, hot rock with occasional pockets of water. This water sometimes seeps up to the surface in the form of hot springs. Even where the water does not travel naturally to the Earth’s surface, it is sometimes possible to reach it by drilling. This hot water can be used as a virtually free source of energy, either directly as hot water, steam, or heat or as a means of generating power. Geothermal energy is nonpolluting, inexpensive, and in most cases the sources is renewable. (more…)