optical

By SHIVALI BEST, SCIENCE & TECHNOLOGY EDITOR Published: 04:39 EST, 14 November 2025 | Updated: 13:05 EST, 14 November 2025 <!-- --> <!-- --> <!-- …

From colour-changing fire trucks to 'The Dress', many optical illusions have baffled the internet over the years.Now, a scientist from Harvard Medical School has discovered an illusion that might be the strangest yet.The deceptively…

The café wall optical illusion was first described by Richard Gregory, professor of neuropsychology at the University of Bristol, in 1979.When alternating columns of dark and light tiles are placed out of line vertically, they can create…

This is the incredible moment a passenger spotted another plane 'hanging in mid-air' over San Francisco.Posted to Reddit, the video attracted many commenters who questioned the reason for the plane being at a standstill.'It's parallax,…

These trippy optical illusions baffle the best of us, as they seem to completely transform the colour of an object. But scientists have now unveiled the truth about so-called 'simultaneous contrast' illusions - and it turns out they may…

Incredible optical illusion photo looks like it has been edited, but it's completely untouched: Can YOU work out what's going on in the image?Photo entered into the Japanese Nature Photo contest appears to be editedHowever,…