But everyone seems to be in agreement about the latest viral optical illusion: there's a hiker in this photo that's practically invisible. An old photo from Reddit has gone viral on Twitter (now ...

But everyone seems to be in agreement about the latest viral optical illusion: there's a hiker in this photo that's practically invisible. An old photo from Reddit has gone viral on Twitter (now known ...

He believes that the real benefit of his photography, though, is that it sparks an interest in people to learn about the physical processes that allows the pictures to be taken. “Reflected ...