In our today’s optical illusion challenge, a pattern of "73" and "37" hides a single odd pair—"53." Can you spot it? This tricky test challenges visual perception and cognitive skills.

How gravity causes a perfectly spherical ball to roll down an inclined plane is part of the elementary school physics canon.

Researchers have discovered brand new interference patterns in twisted two-dimensional tungsten ditelluride lattices. These so-called moir patterns can be tuned to look like periodic spots or even one ...

New research from Russia proposes an unconventional method to detect unrealistic AI-generated images – not by improving the ...

Kenza, K., Ghina, N. and Farid, B. (2025) Malocclusion’s Risk Factors: A Systematic Review. Open Access Library Journal, 12, 1-15. doi: 10.4236/oalib.1113036 .