An Optical Illusion is a type of visual illusion puzzle which is used for fun and challenge.  These types of illusions often ...

Challenge your brain with a cosmic optical illusion that hides a mythical figure in plain sight. Can you solve it fast?

Optical illusions offer a fun way to understand your personality, acting as a free test for your brain. This particular ...

This optical illusion challenges readers to spot a hidden umbrella among numerous ostriches within 11 seconds.

TODAY is Quitters Day – the date when, statistically, most people officially give up on their New Year’s resolutions. To mark ...

Are you a real football fan? This is the best way to prove it! Here’s a tricky optical illusion puzzle from Live Football ...

Optical illusions have gained a lot of popularity recently, as they get our brain to exercise, and can be the perfect test of ...

Abstract: Digital signal processing (DSP) has become a necessity even in short-reach and access sys-tems to combat signal impairments especially due to bandwidth limitations and accumulated chromatic ...

Abstract: We developed a low-refractive-index adhesive for silicon photonics. Filler size effects on insertion loss were examined; 100 nm fillers caused no degradation, but higher loading induced ...

Xiaomi has shared another round of teasers for the Xiaomi 17 Ultra, this time focusing on its periscope telephoto camera. The phone uses a 200MP telephoto sensor developed with Leica, with a reported ...

Note: Most subscribers have some, but not all, of the puzzles that correspond to the following set of solutions for their local newspaper. "Hearts will be glowing / When loved ones are near, / It's ...