There are around five differences in these two images, which look similar at first glance. While it may be a little tricky and difficult for someone to find the five differences within 10 seconds, if ...

Our optical illusion today has been designed in a way to bring you a mind-bending puzzle that gives your mind a complete and fun workout — and it is all about how fast you can spot the hidden number, ...

A biomedical optics engineer discovered a visual illusion where purple dots appear bluer in peripheral vision. This ...