Colors do more than decorate flags—they carry deep political meaning across cultures. From red symbolizing revolution or ...

While the black, green and yellow colors are an ode to Nelson Mandela’s political party, the African National Congress, the red, white and blue are reminiscent of the flags of the European ...

All you have to do is stare at the middle of the green, yellow, and black version of the Union Jack flag. This will then disappear and you may see the traditional red, white, and blue flag.

Stare at the dot in the centre of the flag and then when the screen goes ... which each have different absorption spectra - red, green, and blue. So, when looking at the green part of the illusion ...