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The New York Stock Exchange is known as the "Big Board", perhaps because of these large chalk boards. Until recently, in some countries such chalkboards continued in use. Morse code was used in Chicago until 1967 for traders to send data to clerks called "board markers". [4]
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 Blackboards were originally made of smooth, thin sheets of black or dark grey slate stone.
An infrared interactive whiteboard is a large interactive display that connects to a computer and projector. The board is typically mounted to a wall or floor stand. Movement of the user's finger, pen, or other pointer over the image projected on the whiteboard is captured by its interference with infrared light at the surface of the whiteboard.
Escape the Crate offers the experience of an escape room, but delivered to the recipient’s home. Every game is complete with a theme, story, clues, and props, and can take several hours to crack ...
Canada played an extraordinarily large role in the First World War relative to the size of its population. It sent over hundreds of thousands of troops, and was also the granary and arms producer for the allied side. This led to a further boom on the prairies as wheat prices skyrocketed.
President-elect Donald Trump said Tuesday he plans to order “very serious tariffs” against Canada and Mexico — and vowed to rechristen the Gulf of Mexico as the “beautiful” Gulf of America.
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