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81History of electromagnetism — The history of electromagnetism, that is the human understanding and recorded use of electromagnetic forces, dates back over two thousand years ago, see Timeline of electromagnetism. The ancients must have been acquainted with the effects of… …
822001 anthrax attacks — A letter sent to Senate Majority Leader Tom Daschle containing anthrax powder killed two postal workers Location New York …
83art conservation and restoration — Maintenance and preservation of works of art, their protection from future damage, deterioration, or neglect, and the repair or renovation of works that have deteriorated or been damaged. Research in art history has relied heavily on 20th and… …
84Disasters — ▪ 2009 Introduction Aviation January 23, Poland. A Spanish built CASA transport plane carrying members of the Polish air force home from a conference on flight safety in Warsaw crashes near the town of Miroslawiec; all 20 aboard are killed …
85industrial glass — Introduction solid material that is normally lustrous and transparent in appearance and that shows great durability under exposure to the natural elements. These three properties lustre, transparency, and durability make glass a favoured… …
86WRITING — (Scripts, Materials, and Inscriptions). SCRIPTS AND MATERIALS General Survey From the end of the third millennium B.C.E., the art of writing was practiced in the ancient Near East (see alphabet ). Here, the pictographic, cuneiform, and… …
87Playing card — Blue Rider back Bicycle Playing Cards by USPCC …
88Chester Carlson — Chester Floyd Carlson Born February 8, 1906(1906 02 08) Seattle, Washington, United States Died September 19, 1968(1968 …
89Glenrothes — For other uses, see Glenrothes (disambiguation). Coordinates: 56 …
90Christmas worldwide — Christmas around the world redirects here. For other uses, see Christmas Around the World (Bradley Joseph album). The Christmas season is celebrated in different ways around the world, varying by country and region. Elements common to many areas… …
