If you've done this before, please refrain from talking after the video and let the others have the experience. This is a visual perception test that is used in industrial safety training. Getting ...

You really shouldn't read this until you've looked at the video (otherwise you'll spoil the surprise). If you haven't seen the video yet, ...

So, how good is your colour perception? The test is the brainchild of Colorlite Lens, a company that develops color vision ...

It's leaving participants (including the test developer and his spouse) divided. Color perception is different for all of us. Take the viral sensation that was "the dress" from back in 2015. While ...