Volt

The volt is the SI derived unit for electric potential and voltage. It is named in honor of Alessandro Volta, who in 1800 invented the voltaic pile, the first chemical battery.

The volt is defined as the potential difference across a conductor when a current of one ampere uses one watt of power. Hence it is has the base SI representation m2 · kg · s-3 · A-1



In the News

SoulOfAmerica.com: Black Museums
Annotated list of museums and monuments relating to the African American experience and history. Museums are listed by U.S. city. Includes links to websites. From SoulOfAmerica.com, a company that "publishes information that addresses cultural travel, primarily in America and the Caribbean."

Innovative Alzheimer's Research May Solve Critical Piece In Disease's
A completely new approach to the study of Alzheimer's disease, initiated by a professor at the University of California, Santa Barbara, may solve a critical piece in the puzzle of the disease. This tragic neurological illness progressively erases memory in its millions of victims. The key to the new approach is understanding the way certain proteins in the brain fold, or rather "misfold."

Quest for Atlantis
An overview of how the "myth of Atlantis has been incorporated in various works, primarily Greek."Includes discussions of Atlantis as represented in Plato's Timeaus and the Critias dialogues, Atlantis and Egypt, and Greek mythology and its connection to Atlantis. Includes links to related sites. From two students at Auburn University in Alabama.

Martian Dust Storm Threatens Rovers'Survival
In the three-and-a-half years that they've been on Mars, the NASA rovers Spirit and Opportunity have never seen anything like this: a large-scale dust storm that has darkened the skies and put the rovers in the gravest danger they have yet faced.

Federal Bureau of Investigation Freedom of Information Privacy Act: Wa
Federal Bureau of Investigation (FBI) file for "Walter Lippmann, a correspondent for New York Herald Tribune, .. [who was] given a three hour special tour of the FBI ... on April 17, 1936. ... Lippmann was formerly the editor, and later a contributor to the magazine, 'The New Republic.' No investigation was ever conducted on Walter Lippmann."Includes redacted memos about Lippmann's writings and political stance.

Mapping the Global Future: Report of the National Intelligence Council
This December 2004 report "is the third unclassified report prepared by the National Intelligence Council (NIC)"that provides "US policymakers with a view of how the world developments could evolve, identifying opportunities and potentially negative developments that might warrant policy action."The site provides the report and a link to an interactive Web site, which "allows novice and expert alike to develop their own scenarios."Also includes links to the two previous reports.

Early Teen Sex May Not Be A Path To Delinquency, Study Shows
A new study by clinical psychologists has found that teens who have sex at an early age may be less inclined to exhibit delinquent behavior in early adulthood than their peers who waited until they were older to have sex. The study also suggests that early sex may play a role in helping these teens develop better social relationships in early adulthood.

Megachurches
Background information and research about the megachurch, which is "the name given to a cluster of very large, mostly Protestant congregations, that share several distinctive characteristics."Features research results and data on megachurches, a selected bibliography, details about specific megachurches in the U.S., and links to related articles. From the Hartford Institute for Religion Research.

Simple Push Filling Wins Crown In Battle Against Tooth Decay
A simple technique using a preformed crown offers an improved and effective method to fight tooth decay in children's molars, according to new research.

Early Stage Breast-cancer Rates Are Rising As Incidence Of Invasive Ca
Since 1980, the incidence of ductal carcinoma in situ has increased more than sevenfold while the incidence of invasive breast cancer has leveled off. Both trends suggest that widespread mammography screening, among other factors, are catching breast cancer earlier.




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