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  2. Solar-cell efficiency - Wikipedia

    en.wikipedia.org/wiki/Solar-cell_efficiency

    This efficiency limit of ~34% can be exceeded by multijunction solar cells. If one has a source of heat at temperature T s and cooler heat sink at temperature T c, the maximum theoretically possible value for the ratio of work (or electric power) obtained to heat supplied is 1-T c /T s, given by a Carnot heat engine. If we take 6000 K for the ...

  3. Shockley–Queisser limit - Wikipedia

    en.wikipedia.org/wiki/Shockley–Queisser_limit

    The Shockley–Queisser limit for the efficiency of a solar cell, without concentration of solar radiation. The curve is wiggly because of absorption bands in the atmosphere. In the original paper, [1] the solar spectrum was approximated by a smooth curve, the 6000K blackbody spectrum. As a result, the efficiency graph was smooth and the values ...

  4. Costco - Wikipedia

    en.wikipedia.org/wiki/Costco

    History A Costco in Tlalpan, Mexico City, Mexico Australia's first Costco, located in Docklands, Victoria, Australia Hashima, Gifu, Japan Price Club Main article: Price Club Costco membership card from Iceland Costco's earliest predecessor, Price Club, opened its first store on July 12, 1976, on Morena Boulevard in San Diego, California. It was founded three months earlier by Sol Price and his ...

  5. 21 million Miniverse toy sets recalled due to danger of skin ...

    www.aol.com/21-million-miniverse-toy-sets...

    June 25, 2024 at 4:26 PM. Millions of Miniverse toy sets made by toymaker MGA Entertainment have been recalled because they pose a serious risk of skin burn, eye and respiratory irritation when ...

  6. The pool party’s over as Americans ease up on backyard upgrades

    www.aol.com/news/pool-party-over-americans-ease...

    Pool Corp., a national pool equipment distributor with a roughly $11 billion market valuation, said last week it expects new pool construction to fall by 15% to 20% this year. Some local ...

  7. Law of one price - Wikipedia

    en.wikipedia.org/wiki/Law_of_one_price

    Although there is a small spread between these two values the law of one price applies (to each). No trader will sell the commodity at a lower price than the market maker's bid-level or buy at a higher price than the market maker's offer-level. In either case moving away from the prevailing price would either leave no takers, or be charity.