The expanding black hole optical illusion Optical illusions are always pretty mind-blowing, but not many come close to this one that can show you the future – well almost.

Optical illusions have a unique ... layering different dog shapes within one black silhouette. What you first see might not be all there is. With each new look, viewers start spotting more tails ...

They’ve become a favourite pastime for puzzle lovers on the internet, drawing ... its black-and-white or sepia tone, giving it an old-school feel. This isn’t the first time an optical illusion ...