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A combination between a whiteboard and a cork bulletin board Original early 1960s ad for "Plasti-slate", the first whiteboard/dry erase board invented by Martin Heit. It has been widely reported that Korean War veteran and photographer Martin Heit and Albert Stallion, an employee at Alliance, a leading flat rolled steel sheet supplier should be credited with the invention of the whiteboard in ...
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.
Clapboard, in modern American usage, is a word for long, thin boards used to cover walls and (formerly) roofs of buildings. [1] Historically, it has also been called clawboard and cloboard. [2] In the United Kingdom, Australia and New Zealand, the term weatherboard is always used. [3] [4]
Looma is a small box that contains a computer, 700 lumen projector, interactive whiteboard, and audio system, all in one. Looma projects an image onto a wall, and a simple user interface allows teachers who may be unaccustomed to computers to navigate through screens intuitively using a handheld wand.
Use your kitchen whiteboard to track goals Use your kitchen whiteboard to track your progress toward goals. Any goal, big or small, needs the support of the entire household.
Stick-slip effect with a chalk on a blackboard. Chalk sticks are produced in white and in various colours, especially for use with blackboards. White chalk sticks are made mainly from calcium carbonate derived from mineral chalk or limestone, while coloured chalk sticks are made from calcium sulphate in its dihydrate form, CaSO 4 ·2H 2 O, derived from gypsum.
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