Historical cost of light

These days, most of us don’t have to do much to turn on a light when it’s dark out. But what if I told you it used to take a lot more time and money to get that sweet artificial light? For The Pudding, Ilia Blinderman and Jan Diehm equate scrolling down one pixel to one second for an average waged worker. See how much you have to scroll/work to earn one hour of light.