"Dream, Dream, Dream! Conduct these dreams into thoughts, and then transform them into action."
- Dr. A. P. J. Abdul Kalam
"Dream, Dream, Dream! Conduct these dreams into thoughts, and then transform them into action."
- Dr. A. P. J. Abdul Kalam
14 Apr 2023
Blackboards have been a staple in classrooms for centuries, but have you ever stopped to wonder why they are most commonly green and not black? It turns out that the color of a blackboard has a long and fascinating history.
The first blackboards were actually black, made from slates that were quarried in England and Wales. However, these blackboards were expensive and difficult to maintain, which led to the development of a more affordable alternative: the greenboard.
In the 1800s, manufacturers began producing boards made from a material called Masonite, which was cheaper and easier to work with than slate. These boards were painted green, which was found to be easier on the eyes than black, especially when used for extended periods of time. The green color also provided a high contrast for white or colored chalk, making it easier to read what was written on the board.
Over time, the name "greenboard" was shortened to "chalkboard," and the green color became the standard. In the mid-20th century, however, manufacturers began producing whiteboards, which quickly gained popularity due to their ease of use and clean appearance.
Despite the popularity of whiteboards, many classrooms still use chalkboards today, and the green color remains the norm. In fact, some educators argue that the tactile experience of writing on a chalkboard and the sound of chalk against the surface can be beneficial for students.
