On a moonless night, the human eye can barely distinguish shapes and everything is mostly a different shade of black, but they can also spot a lit candle from 30 miles away clearly. That's why it's important to carry a
On a moonless night, the human eye can barely distinguish shapes and everything is mostly a different shade of black, but they can also spot a lit candle from 30 miles away clearly. That's why it's important to carry a
