Photonics researchers from Tampere University, Finland, and Kastler-Brossel Laboratory, France, have demonstrated how ...

Brain teasers have always been popular for their ability to make people think deeply. They are the perfect blend of fun and challenge, offering just the right mix of frustration and satisfaction when ...

THIS is the mind-bending puzzle that puts your vision and intelligence to the test If you can spot the flat tyre amongst the wheels within 11 seconds, then you can claim a high IQ and 20/20 ...

This optical illusion can reveal whether you're a creative genius or a logical thinker based on what you spot first in the ...

Optical imaging includes a variety of imaging techniques that rely on illumination light in the ultraviolet, visible and infrared regions of the electromagnetic spectrum. The term typically ...

Are you self-confident or overanalytical? There will be two elements in the picture, and depending on the first thing that ...

The image features a snow leopard expertly camouflaged within a snowy, rocky landscape. Viewers find it challenging to locate ...

Scientists discovered a moth that appears 3D despite having flat wings. Tiny structures on its wings reflect light that ...

In the dense rainforests of northern Australia and South-East Asia, a master of disguise flutters through the shadows. The ...

The smooth wings of fruit-sucking moths appear to be ridged like a leaf – but the resemblance is created by nanostructures ...

PUT yourself to the test and see how quickly you can spot the ring in this Valentine's Day brain teaser. If you can do it within 30 seconds you could have a high IQ and perfect eyesight. Or maybe ...