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  2. History of money - Wikipedia

    en.wikipedia.org/wiki/History_of_money

    The use and export of silver coinage, along with soldiers paid in coins, contributed to the Athenian Empire's dominance of the region in the 5th century BC. The silver used was mined in southern Attica at Laurium and Thorikos by a huge workforce of slave labour. A major silver vein discovery at Laurium in 483 BC led to the huge expansion of the ...

  3. Cation-exchange capacity - Wikipedia

    en.wikipedia.org/wiki/Cation-exchange_capacity

    Cation-exchange capacity (CEC) is a measure of how many cations can be retained on soil particle surfaces. Negative charges on the surfaces of soil particles bind positively-charged atoms or molecules (cations), but allow these to exchange with other positively charged particles in the surrounding soil water. [2]

  4. 1 Wall Street Court - Wikipedia

    en.wikipedia.org/wiki/1_Wall_Street_Court

    As part of the lease extension, the Bowery Savings Bank hired F. P. Platt & Bros to expand the mezzanine above the first floor for the Cocoa Exchange's use, increasing the exchange's floor area from 2,300 square feet (210 m 2) to 5,600 square feet (520 m 2).

  5. SoundExchange - Wikipedia

    en.wikipedia.org/wiki/SoundExchange

    As required by 17 U.S.C. § 112 and 17 U.S.C. § 114, SoundExchange, along with other interested parties, participates in each periodic rate-making proceedings to establish rates that compensate copyright owners and performers for the use of copyrighted sound recordings. Such rate setting proceedings may be resolved through proceedings through ...

  6. Picture Exchange Communication System - Wikipedia

    en.wikipedia.org/wiki/Picture_Exchange...

    Example of basic PECS communication board. The Picture Exchange Communication System (PECS) is an augmentative and alternative communication system developed and produced by Pyramid Educational Consultants, Inc. PECS was developed in 1985 at the Delaware Autism Program by Andy Bondy, PhD, and Lori Frost, MS, CCC-SLP.

  7. Nuclear warfare - Wikipedia

    en.wikipedia.org/wiki/Nuclear_warfare

    Either a limited or full-scale nuclear exchange could occur during an accidental nuclear war, in which the use of nuclear weapons is triggered unintentionally. Postulated triggers for this scenario have included malfunctioning early warning devices and/or targeting computers, deliberate malfeasance by rogue military commanders, consequences of ...

  8. Telemedicine: What Is Telemedicine? - WebMD

    www.webmd.com/covid/how-does-telemedicine-work

    Telemedicine can include video visits with your health care provider, using a secure portal to exchange information, and remote monitoring of things like your blood pressure or blood sugar. What ...

  9. Corn exchanges in England - Wikipedia

    en.wikipedia.org/wiki/Corn_exchanges_in_England

    The Exchange is a Grade I listed building built in 1741–43 by John Wood the Elder, on Corn Street, near the junction with Broad Street. It was previously used as a corn and general trade exchange but is now used as offices and the St Nicholas Market. In 1872 there was a major programme of building works to a design by Edward Middleton Barry ...

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