The sun is a powerful fusion reactor, where hydrogen atoms fuse to form helium and give off a tremendous amount of energy. The surface of the sun, also known as the photosphere, has a temperature of 6,000 K (10,000°F [5,538°C]). The...

Earth's surface receives energy from processes in Earth's interior and from the Sun. Heat from the interior comes from radioactive elements in the mantle and core, tidal kneading by the Moon and Sun, and residual heat from the...

Following the outbreak of the Arab-Israeli war in 1973, Arab oil-producing states imposed an embargo on oil exports to the United States. The embargo lasted from October 1973 to March 1974, and the long gas lines it caused highlighted the United...

Conversion of the energy in the sun’s rays into energy for direct use. This is regarded as a promising energy source for Third World countries. In general, in these countries, it is felt that generation should be on-site because of the lack of...

Solar power, which is much more expensive than other forms of power generation, would become more competitive if lawmakers tax or price carbon-dioxide emissions. "Electricity prices could go up 50 percent over the next 10 years. Then solar will be cheaper than the...

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Senator Frank Wagner is staying warm at his temporary address, even in below-freezing weather and without a traditional power supply or fireplace.The Virginia Beach Republican, a proponent of alternative energy sources, is living for a week outside the Science Museum of Virginia in a solar-powered...

Wal-Mart Stores Inc. announced Monday that it has launched a program to test the use of solar power at some of its operations in Hawaii and California.Wal-Mart is purchasing solar power equipment from BP Solar, SunEdison LLC, and PowerLight, a subsidiary of SunPower Corp. The...

Explores the benefits of solar energy. Describes how it works and is beneficial for the environment. Advocates that larger devices be powered by solar energy.