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General News Archive - April 15, 2010

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US church attendance rates have held relatively steady over the past three and a half decades, but the makeup of the nation's congregations has undergone significant changes during that same stretch.

Word of the Day
tesla
  • The unit of magnetic flux density in the International System of Units, equal to the magnitude of the magnetic field vector necessary to produce a force of one newton on a charge of one coulomb moving perpendicular to the direction of the magnetic field vector with a velocity of one meter per second. It is equivalent to one weber per square meter.
This word is named for Nikola Tesla, the inventor, engineer, and futurist.