What makes reading from a book better than reading from a screen? Phil and Georgie discuss this and teach you some useful vocabulary. And I’m Georgie. For me, there’s nothing like reading a book – I ...
Blue light is a high-energy part of visible light from the sun, screens, and light-emitting diode (LED) bulbs. Your cornea and lens don’t block blue light the way they block ultraviolet (UV) rays.
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