You can even have your Google in black
-This year it’s unadorned and painfully plain, displaying it’s nuances primarily through texture: the shadings of slippery velvet, shiny vinyls and supple leathers; the ambiguity of heavy black rubber soled boots underscoring a long black lace skirt.” -Pantone
Since the 13th century, Asian countries have produced active charcoal and used it as a natural and active element for absorbing humidity and purifying tea water. In Europe, the benefits of active charcoal were creatively expanded to encompass a wealth of new uses, ranging from decreasing humidity during housing construc- tion to keeping animals stomachs healthy. In Japan and Korea, the finest quality charcoal is still produced by traditional means. However, modern research has made it an essential part of every day life.
In the past, blackboards were commonly used in teaching. The chalk marks could be easily wiped off with a damp cloth or a special blackboard eraser consisting of a block of wood covered by a felt pad. However chalkmarks made on some types of wet blackboard could be difficult to remove.