Screen

No evidence screen time is Negative for children’s cognitive development and well-being: Oxford Study - https://www.oii.ox.ac.uk/news-events/no-evidence-screen-time-is-negative-for-childrens-cognitive-development-and-well-being-oxford-study/

How does a screen work? - https://www.makingsoftware.com/chapters/how-a-screen-works - From electron guns to tiny electric crystals - digital displays have always been the unsung hero of computing.