What makes our eyes adapt to the dark? One word: rhodopsin. It's a light-sensitive visual pigment that breaks down in light. As if it doesn't, we may see only light👐🏻 But in the dark, rhodopsin regenerates, and light sensitivity increases. After one minute, 10 times, after 20 minutes, 6000 times, after 40 minutes, 25,000 times! And our eyes can distinguish in darkness the shades of colors completely and in all details only after 4 hours.