The nonporous surface of a dry erase board combined with the dry erase ink of the markers is why you're about to wipe the board clean. White, green or black - dry erase boards can be made in several colors. White boards are typically preferred in classrooms because they can double as a projection board. #ScienceChannel #HowItsMade About How It's Made: Explore the fascinating world of how everyday items are manufactured and produced. Subscribe to Science Channel: null About Science Channel: Learn about outer space, leading scientific exploration, new technology, earth science basics, & more with science videos & news from Science Channel. Find us on social: Facebook: https://www.facebook.com/ScienceChannel/ Twitter: https://twitter.com/sciencechannel Instagram: https://instagram.com/sciencechannel TikTok: https://tiktok.com/@sciencechannel Dry Erase Boards | How It's Made | Science Channel https://www.youtube.com/watch?v=BKZVvbj2AGU