The designers of our smartphones, tablets, and laptop screens have been able to create incredibly powerful lights. These screens glow bright enough to be seen during a sunny day. At night, they're so strong that they've been compared to a "little window" that daylight can peer through. That's why looking at your phone at night is a terrible idea.
Infographic by: www.businessinsider.com
Infographic by: www.businessinsider.com