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A blackboard or a chalkboard is a reusable writing surface on which text or drawings are made with sticks of calcium sulphate or calcium carbonate, known, when used for this purpose, as chalk. Blackboards were originally made of smooth, thin sheets of black or dark grey slate stone.
Alstonia scholaris, commonly called blackboard tree, scholar tree, milkwood or devil's tree in English, [3] is an evergreen tropical tree in the dogbane family (Apocynaceae). It is native to southern China, tropical Asia (mainly the Indian subcontinent and Southeast Asia ) and Australasia , where it is a common ornamental plant .
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Blackboard Analytics was developed after the company acquired iStrategy, a data analysis firm, in December 2010. [31] The Blackboard Analytics platform is a system for data warehousing and analysis, with applications for educational institutions to analyze student numbers, class scheduling, and financial information. The platform was created as ...
Einstein's Blackboard is a blackboard [1] which physicist Albert Einstein (1879–1955) used on 16 May 1931 during his lectures while visiting the University of Oxford in England. [ 2 ] [ 3 ] [ 4 ] The blackboard is in the collection of the History of Science Museum in Oxford .
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Blackboard Learn (previously the Blackboard Learning Management System) is a web-based virtual learning environment and learning management system developed by Blackboard Inc. The software features course management, customizable open architecture , and scalable design that allows integration with student information systems and authentication ...
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