19don MSN
Optical illusion test: Blue, purple or red-- What's the colour of this dot and the science behind it
A biomedical optics engineer discovered a visual illusion where purple dots appear bluer in peripheral vision. This phenomenon highlights how our retinas' cone distribution and a yellow pigment layer ...
In our today's optical illusion, we bring you a mind-bending puzzle to give your brain a good workout. This challenging brain teaser claims that only 1% of sharp-eyed individuals can spot the hidden ...
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