Challenge your observation skills with a fun optical illusion featuring pigs at a party. Find the three pigs without party hats hidden among the others. This tricky puzzle can sharpen your focus ...

This optical illusion challenges your eyesight by asking you to find the odd hand out of several showing the same sign within ...

According to current theories of expertise, this shouldn’t happen. Becoming an expert in chess, for example, makes you better at chess but not anything else. But our findings suggest that becoming an ...

A National Geographic photograph captures donkeys casting zebra-like shadows, creating a stunning optical illusion. The natural play of light, perspective, and timing produces this mind-bending image.

Optical illusion billboards are popping up across one major city after shocking data revealed 97 per cent of Aussies reported ...

A picturesque galaxy 40 million light-years away, NGC 5530 dazzles with its patchy spiral arms in the constellation Lupus.

A reanalysis of a 1919 study suggests that a separate illusion, the "horizon effect," played a bigger role in warping visual ...

Turns out, dazzle camouflage wasn’t the main reason enemy subs were misled in World War I, it was a natural visual illusion called the “horizon effect.” Aston University scientists revisited a century ...

Can you spot the hidden carrot in this optical illusion? Test your vision and attention to detail—find it in 11 seconds or less.

The first celebration of the U.S. Flag's birthday was held in 1877, on the 100th anniversary of the Flag Resolution of 1777. However, it is believed that the first annual recognition of the flag's ...

Fibre optics and optical communications is the use of thin strands of glass for sending information encoded into light over long distances. Total internal reflection prevents light inserted into ...

Optical sensors are a broad class of device for detecting light intensity. This can be just a simple component for notifying when ambient light levels rise above or fall below a prescribed level ...