Has an optical illusion ever prompted you to see colors that weren't actually there? Or have you wondered why the infamous photo of "the dress" was perceived as white and gold by some but blue and ...

You can make the case that none of them are in true color. But then again, if they were, they’d be unable to reveal the true nature of objects emitting or reflecting various kinds of otherwise ...

It's about the way that humans see the world, and how until we have a way to describe something, even something so fundamental as a color, we may not even notice that it's there. Until relatively ...