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Why Blackboards Turned Green – The Surprising Reason! 🟩✨
Автор: The Knowledge Vault
Загружено: 20 апр. 2025 г.
Просмотров: 1 366 просмотров
Описание:
Did you know blackboards used to be actually black? So why are they green now? 🤔
In this short, we reveal the science behind the color switch — from reducing eye strain to boosting focus.
Studies show that green is soothing to the eyes and helps students concentrate better! 🎓💚
📚 Subscribe to The Knowledge Vault for more quick and mind-blowing facts!
#Shorts #Blackboard #GreenBoard #FunFacts #Education #StudentLife #DidYouKnow #TheKnowledgeVault
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