Current

In the "War of Currents" era in the late 1880s, Nikola Tesla and Thomas Edison became adversaries due to Edison's promotion of direct current (DC) for electric power distribution over the more efficient alternating current (AC) advocated by Tesla. During the initial years of electricity distribution, Edison's direct current was the standard for the United States and Edison was not disposed to lose all his patent royalties. Direct current worked well for the incandescent lamps that were the principal load of the day. From his wo ...

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War of Currents - Electric power transmission

Current: Encyclopedia - Cromwell current

The Cromwell current (also called Pacific Equatorial Undercurrent or just Equatorial Undercurrent) is a submarine river: A particular kind of ocean current that is, in effect, a river flowing under the surface of an ocean. Submarine rivers are a fascinating and relatively new field of oceanography. These beautiful mysteries of the nature show us that we humans have still lots of things to discover. The Cromwell current was discovered in 1952 by Townsend Cromwell a researcher with the Honolulu Laboratory. It ...

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Current: Encyclopedia - Current TV

Current TV is an independent media company, led by former U.S. Vice President Al Gore, attorney Joel Hyatt and a team of industry professionals and young people. The cable television network went on the air in 2005, at midnight EDT (4:00 UTC) on the morning of August 1st. Until the minute before the launch, the channel carried Newsworld International from the CBC. The network features various "pod" segments. These "pod" segments are videos between 5 seconds and 15 minutes, and are designed by the network's viewers. Viewers are ...

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Current TV - History

Current: Encyclopedia - Alternating current

An alternating current (AC) is an electrical current where the magnitude and direction of the current varies cyclically, as opposed to direct current, where the direction of the current stays constant. The usual waveform of an AC power circuit is a sine wave, as this results in the most efficient transmission of energy. However in certain applications different waveforms are used, such as triangular or square waves. Used generically, AC refers to the form in which electricity is delivered to businesses and residences. Ho ...

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Current: Encyclopedia - West Greenland Current

The West Greenland Current is a weak cold water current that flows to the north along the west coast of Greenland. The current results from the movement of water flowing around the southernmost point of Greenland caused by the East Greenland Current. Other related archivesEast Greenland Current, Greenland

Current: Encyclopedia - Current account

The term current account usually refers to the current account of the balance of payments (BOP) and contains the import and export items of goods and services as well as transfer payments including net investment income. The current account is often presented alongside the capital account and financial account of the BOP which contains data about short and long-term capital flows. Long-term capital flows are also known as foreign direct investment (FDI). Often, the capital account and the financial account are both referred to as the capital account. The BOP balances by means of a balancing accoun ...

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Current: Encyclopedia - Cape Horn Current

The Cape Horn Current is a cold water current that flows west-to-east around Cape Horn. This current is caused by the intensification of the West Wind Drift as it rounds the cape. Other related archivesCape Horn, West Wind Drift

Current: Encyclopedia - Current events

Please also visit our sister project, Wikinews, to read and write news articles in more detail. (DST adjusted): Bangkok: +7 Cairo: +2 Frankfurt: +1 Hong Kong: +8 Johannesburg: +2 London: +0 Melbourne: +11 Mexico City: -6 Moscow: +3 New Delhi: +5.5 New York: -5 Rio de Janeiro: -2 Singapore: +8 Tokyo: +9& ...

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Current events - Events by month

Current: Encyclopedia - Antarctic Circumpolar Current

The Antarctic Circumpolar Current (ACC) is an ocean current that flows from west to east around Antarctica. An alternate name for the ACC is the West Wind Drift. The ACC is the dominant circulation feature of the Southern Ocean. The ACC has been known to sailors for many years, the author Jack London's story "Make Westing" poignantly illustrated the difficulty it caused for mariners seeking to round Cape Horn on the clipper ship route between New York and California. Antarctic Circumpolar Current - Structure of the Circu ...

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Current: Encyclopedia - Current-voltage characteristic

This article is in need of attention. You can help Wikipedia by editing it into a better article. Please also consider changing this notice to be more specific. A current-voltage characteristic is a chart showing the relationship between the DC current through an electronic device and the DC voltage across its terminals. Electrical engineers use these charts to determine basic parameters of a device and to model its behavior in a electrical circuit. Engineers commonly refer to characteristic cha ...

Current: Encyclopedia - Current solar income

The current solar income of the Earth, or an ecozone or ecoregion or any area, is the amount of solar energy that falls on it as sunlight. This is thought important in some branches of green economics, as the ultimate measure of renewable energy. Buckminster Fuller first described the concept in his 1970 paper Cosmic Costing, contrasting the photosynthesis on which natural capital and sustainable infrastructural capital depend, and the chemosynthesis of extracting and using fossil fuels, on w ...

Current: Encyclopedia - Current Population Survey

The Current Population Survey (CPS) is a statistical survey conducted by the United States Census Bureau for the Bureau of Labor Statistics (BLS). The BLS uses the data to provide direct monthly estimates of the number of unemployed people in the United States and to provide annual-average estimates of employment and unemployment in large metropolitan areas. In addition, private think tanks, such as the Center for Immigration Studies, and other organizations use the CPS data for their own research. The CPS began in 1940, and responsibility for conducting the CPS was given to the Census Bureau in 19 ...

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Current: Encyclopedia - Current issues in teaching

Teaching is a unique job. Teachers are generally university-educated, yet are unionized employees who are not considered professionals in the conventional sense. Finally, though a school usually employs many teachers, the teachers themselves may not actually spend much time together. This can lead to feelings of isolation from one's peers, and is a problem exacerbated should one not get along with his or her students. Throughout history, the intellectual challenges of pedagogy have been compounded by many societal issues. Because teac ...

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Current: Encyclopedia - Current Project for Student Journalism

'The Current Project (also known as the Current Project for Student Journalism or CPSJ) was founded in 2004 as a non-profit organization dedicated to uniting and empowering students. The organization does so by promoting student journalism and elevating the student voice to the national stage. The Current Project strives to create an informed college experience, connecting and empowering the national student body. The Current Project does this in a variety of ways, including multimedia journalism opportunities, mentoring ...

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Current: Encyclopedia II - Ocean current - Important currents:

Ocean current - Arctic Ocean. East Greenland Current Norwegian Current Ocean current - Atlantic Ocean. Angola Current Antilles Current Benguela current Brazil Current Canary Current Cape Horn Current Caribbean Current East Greenland Current Falkland Current Gulf Stream Guinea Current Labrador Current North Atlantic Current North Brazil ...

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