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An ice pond is a large volume of ice or snow produced by natural winter freezing. The ice is then used for cooling or air conditioning. Before refrigeration was common, ice ponds were "mined" by ice companies, with product transported to consumers and food businesses through much of the year. Refrigeration technology obsolesced this use. In more recent times, ice ponds have been revived as an environmentally friendly way to air condition premises in the summer. The best known experiment is the 'Princeton ice pond' by Ted Taylor in 1981. He then persuaded the Prudential Insurance Company to use a bigger pond to provide air conditioning for a larger building.〔Freeman Dyson, ''Imagined Worlds'', Harvard University Press, 1998, ISBN 978-0-674-53909-9, page 41 ((sur GoogleBooks )).〕〔Carter B. Horsley, ''Prudential project includes 'ice pond' '', The New York Times, May 17, 1981, ()〕 Taylor also investigated the possibilities of using the technology for water purification, which he demonstrated during a non-fiction segment on the 1984 educational series ''The Voyage of the Mimi'.〔''The Voyage of the Mimi' episode 10B, "Water, Water, Everywhere"〕 ==See also== * Seasonal thermal energy storage (STES) * Snowmaking * Solar pond 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Ice pond」の詳細全文を読む スポンサード リンク
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