How Much Light Do You Really Need While Reading?
by Sara Murphy from Lifehacker on (#5T9QT)
Turn on a light! You'll ruin your eyes! " I grew up with warnings like these, followed by the click of a light switches, almost every time my mother found me nose-deep in a book. She never listened to my arguments that I could see the pages just fine. The Mom Logic was straightforward and unyielding: If I didn't turn...